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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Date of issue for the 1st edition : 12/09/2013
Date of revision : 20/02/2020

Safety Data Sheet

1. Identification of the substance/mixture and of the company/undertaking
Product identifier:Product name: 2,2,4-Trimethylpentane
Product code (SDS NO): 49740jis_J_E1-3
Details of the supplier of the safety data sheet
Manufacturer/Supplier: JUNSEI CHEMICAL CO., LTD.
Address: 1-6, Ohmano-cho, Koshigaya-shi, Saitama 343-0844, Japan
Division: Quality Assurance Department
Telephone number: +81-48-986-6161
FAX: +81-48-989-2787
e-mail address: shiyaku-t@junsei.co.jp

2. Hazards identification
GHS classification and label elements of the product
Classification of the substance or mixture
PHYSICAL AND CHEMICAL HAZARDS
Flammable liquids: Category 2
HEALTH HAZARDSSkin corrosion/irritation: Category 2
Specific target organ toxicity - single exposure: Category 3(Narcosis)
Aspiration hazard: Category 1
ENVIRONMENT HAZARDS
Hazardous to the aquatic environment (Acute): Category 1
Hazardous to the aquatic environment (Long-term): Category 1(Note) GHS classification without description: Not classified/Classification not possible
Label elements

Signal word: Danger
HAZARD STATEMENT
H225-Highly flammable liquid and vapor
H315-Causes skin irritation
H336-May cause drowsiness or dizziness
H304-May be fatal if swallowed and enters airways
H400-Very toxic to aquatic life
H410-Very toxic to aquatic life with long lasting effects
PRECAUTIONARY STATEMENT
Prevention
Avoid release to the environment.
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Keep container tightly closed.
Ground/bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.
Avoid breathing dust/fume/gas/mist/vapors/spray.

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Use only outdoors or in a well-ventilated area.
Wash contaminated parts thoroughly after handling.
Wear protective gloves/protective clothing/eye protection/face protection.
Response
In case of fire: Use appropriate media other than water for extinction.
Collect spillage.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
IF ON SKIN: Wash with plenty of soap and water.
IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
If skin irritation occurs: Get medical advice/attention.
Take off contaminated clothing and wash it before reuse.
IF SWALLOWED: Do NOT induce vomiting. Immediately call a POISON CENTER or doctor/physician.
Storage
Store in a well-ventilated place. Keep container tightly closed. Keep cool.
Disposal
Dispose of contents/container in accordance with local/national regulation.
Specific Physical and Chemical hazards
Highly flammable liquid. Vapor/air mixture may explode.

3. Composition/information on ingredients
Mixture/Substance selection:Mixture
Common name, synonyms: Isooctane
Ingredient name:2,2,4-Trimethylpentane
Content (%):99.0 <Chemical formula:C8H18
Chemicals No, Japan:2-8
CAS No.:540-84-1
MW:114.23
ECNO:208-759-1

4. First-aid measures
Descriptions of first-aid measures
General measures
Call a POISON CENTER or doctor/physician if you feel unwell.
IF INHALED
Remove person to fresh air and keep comfortable for breathing.
Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN (or hair）
Take off immediately all contaminated clothing. Rinse skin with water/shower.
Wash with plenty of soap and water.
If skin irritation or rash occurs: Get medical advice/attention.
If skin irritation occurs: Get medical advice/attention.
IF IN EYES
Rinse cautiously with water for several minutes. Remove contact lenses, if present and easyto do. Continue rinsing.
If eye irritation persists: Get medical advice/attention.
IF SWALLOWED
Rinse mouth. Do NOT induce vomiting.
Immediately call a POISON CENTER or doctor/physician.
Call a POISON CENTER or doctor/physician if you feel unwell.

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Most important symptoms and effects, both acute and delayed(Symptoms when inhalation or ingestion)
Confusion. Dizziness. Headache. Nausea. Vomiting.
(Symptoms when skin and/or eye contact)
Dry skin. Redness. Pain of the skin

5. Fire-fighting measures
Extinguishing media
Suitable extinguishing media
In case of fire, use foam, dry powder, CO2 to extinguish.
Unsuitable extinguishing media data is not available.
Specific hazards arising from the substance or mixture
Containers may explode when heated.
Fire may produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may cause pollution.
Advice for firefighters
Specific fire-fighting measures
Evacuate non-essential personnel to safe area.
Cool container with water spray.
Combat fire from a sheltered position.
Special protective equipment and precautions for fire-fighters
Wear fire/flame resistant/retardant clothing.
Wear protective gloves/protective clothing/eye protection/face protection.
Firefighters should wear self-contained breathing apparatus with full face peace operated
positive pressure mode.

6. Accidental release measures
Personnel precautions, protective equipment and emergency procedures
Keep unauthorized personnel away.
In case of contact with substance, immediately flush skin or eyes with running water for atleast 20 minutes.
Ventilate area until material pick up is complete.
Wear proper protective equipment.
PUBLIC SAFTY: Ventilate closed spaces before entering.
Environmental precautions
Runoff to sewer may create fire or explosion hazard.
Vapor explosion hazard indoors, outdoors or in sewers.
Avoid release to headsprings, rivers, lakes, ocean and groundwater.
Methods and materials for containment and cleaning up
Absorb spill with inert material (dry sand, earth, et al), then place in a chemical waste container.
Use clean non-sparking tools to collect absorbed material.
All equipment used when handling the product must be grounded.
Preventive measures for secondary accident
Collect spillage.
Stop leak if you can do it without risk.
ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area).
Prevent entry into waterways, sewers, basements or confined areas.

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
7. Handling and storage
Precautions for safe handling
Preventive measures(Exposure Control for handling personnel)
Avoid breathing dust/fume/gas/mist/vapors/spray.
(Protective measures against fire and explosion)
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
Ground/bond container and receiving equipment.
Use explosion-proof electrical/ventilating/lighting equipment.
Use only non-sparking tools.
Take precautionary measures against static discharge.
(Exhaust/ventilator)
Exhaust/ventilator should be available.
(Safety treatments)
Avoid contact with skin.
Avoid contact with eyes.
Safety Measures
Use only outdoors or in a well-ventilated area.
Wear protective gloves/protective clothing/eye protection/face protection.
Use personal protective equipment as required.
When using do not eat, drink or smoke.
Any incompatibilities
Strong oxidizing agents should not be mixed with the chemicals.
Advice on general occupational hygiene
Wash contaminated parts thoroughly after handling.
Take off contaminated clothing and wash it before reuse.
Storage
Conditions for safe storage
Store in a well-ventilated place. Keep container tightly closed.
Keep cool. Protect from sunlight.
Container and packaging materials for safe handling data is not available.

8. Exposure controls/personal protection
Control parameters
Control value in MHLW is not available.
Adopted value
Adopted value in JSOH is not available.
ACGIH(1979) TWA: 300ppm (URT irr)
OSHA-PEL
TWA: 500ppm, 2350mg/m3
NIOSH-REL
TWA: 75ppm; STEL: 385ppm [15-min]
Exposure controls
Appropriate engineering controls
Do not use in areas without adequate ventilation.
Eye wash station should be available.
Washing facilities should be available.
Individual protection measures
Respiratory protection
Wear respiratory protection.
Wear positive pressure self-contained breathing apparatus (SCBA).

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Hand protection
Wear protective gloves. Recommended material(s): nitrile, viton
Consult with your glove and/or personnel equipment manufacturer for selection ofappropriate compatible materials.
Eye protection
Wear safety glasses with side-shields.
Wear eye/face protection.
Skin and body protection
Wear impervious clothing and boots in case of repeated or prolonged treatment.

9. Physical and Chemical Properties
Information on basic physical and chemical properties
Physical state: Liquid
Color: Colorless
Odor: Characteristic odor
Odor threshold data is not available.
pH data is not available.
Boiling point or initial boiling point: 99℃
Boiling range data is not available.
Evaporation rate data is not available.
Melting point/Freezing point: -107℃
Decomposition temperature data is not available.
Flammability (gases, liquids and solids): Ignitable
Flash point: (O.C.) 4.5℃
Auto-ignition temperature: 417℃
Critical temperature data is not available.
Lower and upper explosion limit/flammability limit:
Lower explosion limit: 1.1 vol %Upper explosion limit: 6.0 vol %Vapor pressure: 5.1 kPa （20℃）
Vapor density data is not available.
VOC data is not available.
Relative vapor density (Air=1): 3.9
Relative density of the Vapor/air - mixture at 20℃ (Air = 1) data is not available.
Density and/or relative density: 0.6914(20℃/4℃)
Dynamic viscosity: 0.5mPas(20℃)
Kinematic viscosity data is not available.
Solubility:Solubility in water: Insoluble
Solubility in solvent: Soluble in ethanol, diethyl ether.
n-Octanol/water partition coefficient data is not available.
No Particle characteristics data is not available.

10. Stability and Reactivity
Reactivity data is not available.
Chemical stability
Stable under normal storage/handling conditions.
Highly flammable.
Possibility of hazardous reactions
The vapour is heavier than air and may travel along the ground; distant ignition possible.
As a result of flow, agitation, etc., electrostatic charges can be generated.
Heating may cause violent combustion or explosion.

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Reacts with strong oxidants.
Conditions to avoid
Contact with incompatible materials.
Open flames. Heat.
Sparks.
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Carbon oxides

11. Toxicological Information
Information on toxicological effects
Acute toxicity
Acute toxicity (Oral), Productrat LD50 >5g/kg (SIDS, 2010; Supplier's data/information)
Acute toxicity (Dermal), Productrabbit LD50 >3160 mg/kg (SIDS, 2010)
Acute toxicity (Gases inhalation), Productrat LC50 =33.52mg/L/4hr (SIDS, 2010; Supplier's data/information)
Irritant properties
Skin corrosion/irritation(C7-C9 Aliphatic Hydrocarbon Solvents) moderate skin irritation at high concentrations (SIDS, 2010)
Serious eye damage/irritation(C7-C9 Aliphatic Hydrocarbon Solvents) rabbits : No eye irritation (SIDS, 2010)
Allergenic and sensitizing effects data is not available.
Mutagenic effects data is not available.
Carcinogenicity
EPA-I; "Inadequate Information to Assess Carcinogenic Potencial"(2005
Reproductive toxicity data is not available.
STOT
STOT-single exposure[cat.3 (drow./dizz.)]
EU CLP : H336
STOT-repeated exposure data is not available.
Aspiration hazard[cat.1]
May be fatal if swallowed and enters airways.(Supplier's data/information)
EU CLP : H336

12. Ecological Information
Ecotoxicity
Aquatic toxicity
H400-Very toxic to aquatic life
H410-Very toxic to aquatic life with long lasting effects
Aquatic acute toxicity component(s) data
Crustacea（Daphnia magna） LC50=0.98mg/L/48hr （SIDS, 2010; Supplier's data/information)）Aquatic chronic toxicity component(s) data
Crustacea（Daphnia magna） NOEC=0.17mg/L/21day (Supplier's data/information)
Water solubility
none (ICSC, 1999)
Persistence and degradability
BOD_Degradation : 0% (Registered chemicals data check & review, Japan)

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2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
Bioaccumulative potential
BCF(conc. : 1 ug/L)=520 (Registered chemicals data check & review, Japan);
BCF(conc. : 10 ug/L)=540 (Registered chemicals data check & review, Japan)
Mobility in soil data is not available.
Ozone depleting chemical data is not available.

13. Disposal considerations
Description of waste residues and information on their safe handling and methods of disposal,
including the disposal of any contaminated packaging
Waste treatment methods
Avoid release to the environment (- if this is not the intended use).
Dispose of contents/container in accordance with local/national regulation.

14. Transport Information
UN No., UN CLASSUN No.: 1262
Proper Shipping Name : OCTANESClass or division : 3Packing group : II
ERG GUIDE No.: 128
IMDG Code (International Maritime Dangerous Goods Regulations)
UN No.: 1262
Proper Shipping Name : OCTANESClass or division : 3Packing group : II
IATA Dangerous Goods Regulations
UN No.: 1262
Proper Shipping Name : OCTANESClass or division : 3Hazard labels : Flamm.liquid
Packing group : II
Environmental hazards
MARPOL Annex III - Prevention of pollution by harmful substances
Marine pollutants (yes/no) : yes

15. Regulatory Information
Safety, health and environmental regulations/legislation specific for the substance or mixture
Environmental hazards
MARPOL Annex V - Prevention of pollution by garbage discharge
Hazardous to the aquatic environment - acute hazard: cat.1
2,2,4-Trimethylpentane
Hazardous to the aquatic environment - long-term hazard: cat.1, 2
2,2,4-Trimethylpentane
Basel law, Japan
2,2,4-Trimethylpentane
US major regulations
Chemicals listed in TSCA Inventory
2,2,4-Trimethylpentane
Other regulatory information
We are not able to check up the regulatory information with regard to the substances inyour country or region, therefore, we request this matter would be filled by your8/8
2,2,4-Trimethylpentane,JUNSEI CHEMICAL CO., LTD.,49740jis_J_E1-3,20/02/2020
responsibility.
Regulatory information with regard to this substance in your country or in your region
should be examined by your own responsibility.
Ensure this material in compliance with federal requirements and ensure conformity to local
regulations.
Regulatory information in this section are limited to intentional ingredient(s), but does
not contain information on non-intentional ingredients or impurities which are not informedby supplier(s).

16. Other information
GHS classification and labelling
H225-Flam. Liq. 2: H225 Highly flammable liquid and vapor
H315-Skin Irrit. 2: H315 Causes skin irritation
H336-STOT SE 3: H336 May cause drowsiness or dizziness
H304-Asp. Tox. 1: H304 May be fatal if swallowed and enters airways
H400-Aquatic Acute 1: H400 Very toxic to aquatic life
H410-Aquatic Chronic 1: H410 Very toxic to aquatic life with long lasting effects
Reference Book
Globally Harmonized System of classification and labelling of chemicals, (6th ed., 2015), UN
Recommendations on the TRANSPORT OF DANGEROUS GOODS 20th edit., 2017 UN
IMDG Code, 2018 Edition (Incorporating Amendment 39-18)
IATA Dangerous Goods Regulations (60th Edition) 2019
Classification, labelling and packaging of substances and mixtures (table3-1 ECNO6182012)2016 EMERGENCY RESPONSE GUIDEBOOK (US DOT)
2019 TLVs and BEIs. (ACGIH)
http://monographs.iarc.fr/ENG/Classification/index.php
JIS Z 7253 : 2019
JIS Z 7252 : 20192019 Recommendation on TLVs (JSOH)
Supplier's data/information
Chemicals safety data management system "GHS Assistant" (https://www.asahi-ghs.com/)
NITE Chemical Risk Information Platform（NITE-CHRIP）
https://www.nite.go.jp/en/chem/chrip/chrip_search/systemTop
GHS Classification Guidance for Enterprises 2013 Revised Edition （Aug. 2013, METI)
General Disclaimer
This data sheet was created based on the information we currently have and may be revised
according to new information. In addition, the precautions apply only to normal handling,
and in the case of special handling, please make adequate countermeasure to maintain yoursafety.
The data given here is based on current knowledge and experience. The purpose of thisSafety Data Sheet is to describe the products in terms of their safety requirements. The
data does not signify any warranty with regard to the products' properties.
The GHS classification data given here is based on current Japan official data (NITE published in2018).