N-Acetyl-L-Tryptophan,Yoneyama Yakuhin Kogyo Co. Ltd.,29000,Date of revision: 2021/02/26,

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Safety Data Sheet
Date of revision: 2021/02/26
1.Product and company identification
Product nameName of manufacturer
Address
Contact for Information
Telephone number
Fax number
SDS No.

N-Acetyl-L-Tryptophan
Yoneyama Yakuhin Kogyo Co.,Ltd.
2-3-11 Doshomachi ，Chuo-ku，Osaka，541-0045，Japan
Sales Division
06-6231-3555
06-6223-1093
29000

2.Hazards identification
GHS Classification

Does not meet the classification criteria.

GHSLabel Elements
SymbolSignal ward
Hazard statement
3.Composition/information on ingredients
Substance/Mixture
Chemical name or commercial nameChemical formula
Numerical identifier
Ingredients and composition
4.First and measures
INHALATIONSKIN CONTACTEYE CONTACTINGESTION

5.Fire fighting measures
Suitable extinguishing media
Unsuitable extinguishing media
Specific hazards arising from chemical
Particular fire fighting
Special protective actions for fire-fighters

6.Accidental release measure
Personal precaution, protective equipment andemergency procedures

Environmental precautions
Removal measure

7.Handling and storage
Handling
Technical measures―――

Substance
N-Acetyl-L-Tryptophan
C13H14N2O3CAS RN：1218-34-4
100%

If a person breathes this chemical, move the exposed person to fresh air
at once.
Get medical advice/attention if you feel unwell.
Rinse immediately contaminated clothing and skin with plenty of water
before removing clothing.
Remove contact lenses, if present and easy to do. Continue rinsing.
Get medical advice/attention.
Rinse mouth.
Get medical advice/attention if you feel unwell.

spray water, alcohol-resistant foam, powder, carbon dioxide
No data
No data
No data
Firefighting should be done upwind and avoid inhalation of toxic fumes.
depending on the risk, wear respiratory protection.

Fire fighting should be done from the windward.
Wear appropriate protective equipment and work from upwind toevacuate people downwind.
Wear protective clothing, respirator, chemical safety goggles, rubberboots and heavy rubber gloves.
Be careful not to discharge it into rivers, etc. and cause environmental
impact.
Store the vessels in a well-ventilated location. Entrust them to theappropriate authorities for disposal.
No dataPrevents leakage, overflow, and scattering, and does not generate dust
unnecessarily.

N-Acetyl-L-Tryptophan,Yoneyama Yakuhin Kogyo Co. Ltd.,29000,Date of revision: 2021/02/26,

Precautions for safe handlingDo not handle the container by tumbling it, dropping it, giving it an impact,
or dragging it.
When handling excessive amounts of the substance an emergency
shower is required.
Rinse and then wash skin with water and soap.

Contact avoidance method
Hygiene measures
Storage
Conditions for safe storage

Keep away from direct sunlight, high temperature and high humidity andstore tightly closed.
glass, polyethylene, polypropylene

Packaging compatibilities8.Exposure controls/personal protection
Exposure limits
ACGIH
Equipment measures―Provision of very good ventilation in the working area.
Washing facility at the workplace required.

Protective equipment
Respiratory protection
Hand protection
Eye protection
Skin protection

Air – supplied or self – contained NIOSH approved breathing apparatus.
Impervious protective gloves.
Safety goggles.
Protective clothing, protective boots.

9.Physical and chemical properties
Physical state
Color
Odor
Melting point/Freezing point
Boiling point
Combustible
Upper/lower explosive limits
Flash point
Auto-ignition temperatureDecomposition temperature
pHViscosity
Solubility
Partition coefficient: n-octanol/water
Vapor pressure
Specific gravity
Vapor density
Relative evaporation rate

crystal powder
white
No data
189℃
No data
No data
No data
No data
No data
No data
No data
No data
Soluble uneasily in water.
No data
No data
No data
No data
No data

10.Stability and reactively
Reactivity
Chemical stability
Possibility of hazardous reaction
Condition to avoid
Contact avoidance method
Hazardous decomposition products

No data
Stable under normal handling.
No datasunlight, high temperature, high humiditystrong oxidizing substances
nitrogen oxides

11.Toxicological information
Acute toxicity
Skin corrosion/irritation
Eye damage/irritation
Respiratory sensitization and Skin sensitization
Germ cell mutagenicity
Carcinogenicity
Reproductive toxicity
Specific target organ toxicity (single exposure)Specific target organ toxicity(repeated exposure)
Aspiration hazard

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oral:

LD50 (mouse) = 10,800mg/kgLD50 (rat) = 15,000mg/kg
No data
No data
No data
No data
Not listed (NTP, IARC, OSHA) (Classification not possible)
No data
No data
No data
No dataN-Acetyl-L-Tryptophan,Yoneyama Yakuhin Kogyo Co. Ltd.,29000,Date of revision: 2021/02/26,

12.Ecological information
Hazardous to the aquatic environment
Persistence and degradability
Bioaccumulative potential
Mobility in soil
Hazardous to the ozone layer

13.Disposal considerations
Residual disposal

14.Transport information
UN NumberUN proper shipping name
Transport hazard class
Packing group
Additional identification

3/3

No data
No data
No data
No data
Not enumerated in Montreal Protocol on Substances that Deplete theOzone Layer.

If there is no way of recycling it must be disposed of in compliance withthe respective national and local regulation.
It consigns it to the industrial waste disposal trader who has permission.

――――
Ensure vehicle driver is aware of the potential hazards of the load andknows what to do in the event of an accident or an emergency.
Before transporting product containers ensure that they are firmlysecured. Ensure that the container valve is closed and not leaking.
Prevent the product containers from falling over or falling.

15.Regulatory information
Please apply to the regulatory control in each country.
16.Other information
References

Attention

Global Harmonized System of Classification and Labelling ofChemicals(GHS) Sixth revised edition
National Institute of Technology and Evaluation(NITE)
NIH U.S.National Library of Medicine
The Safety Data Sheet (SDS) is prepared based on JIS Z7253. All
information contained herein is given in good faith and no warranty
expressed or implied is made to its accuracy.
The recommended industrial hygiene and safe handling procedures arebelieved to be generally applicable.
However, each user should review these recommendations and determine
whether they are appropriate.