Chemical Name: 2-Diazo-1-naphthol-4-sulfonic acid sodium salt rev-4
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Material Safety Data Sheet
Section 1 - Chemcial Product and Company Information
Chemical Name

･2-Diazo-1-naphthol-4-sulfonic acid sodium aslt
･1,2-Naphthoquinone-2-diazido-4-sulfonic Acid
Sodium Salt

Chemical Formula
Company Identification

C10H5N2NaO4S・H2O
Showa Kako Corporation

Telephone Number
24-hour Emergency Telephone Number
Fax Number

18-23 Yoshino-cho, Suita City Osaka pref., 5640054 JAPAN+81-6-6384-1501+81-6-6384-1501+81-6-6384-2287

Section 2 - Hazards Information
Toxicological Information
Ecological Information
GHS Classification
Physical Hazards
Self-reactive substances and mixtures
Health Hazards
Skin corrosion / irritation
Serious eye damage / eye irritation
Environmental Hazards
GHS Symbol

No data found
No data foundType D
Category 2
Category 2A
Not classified

Section 3 - Composition and Information on Ingredients
Chemical Name

･2-Diazo-1-naphthol-4-sulfonic acid sodium aslt
･1,2-Naphthoquinone-2-diazido-4-sulfonic Acid Sodium Salt

CAS #UN #Percent

64173-96-2
3226
95.5% min.

Section 4 - First Aid Measures
Eyes

Skin

Ingestion

Immediately flush eyes with copious amounts of water for at least 15
minutes,occasionally lifting the upper and lower eyelids. Consult withophthalmologist.
Flush skin with plenty of water for at least 15 minutes while removing
contaminated clothing and shoes. Wash clothing before reuse. Consult with aphysician if symptoms occur.
Immediately wash mouth with plenty of water and give 1 - 2 cupfuls of milk orwater if victim is conscious and alert. Consult with a physician.

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Inhalation

Remove to fresh air, wash out nasal aperture and mouth with plenty of water. If
breathing is difficult, give artificial respiration. If not breathing, give oxygen.
Consult with a physician.

Section 5 - Fire Fighting Measures
Flash Point
Autoignition
Explosion Limits

Lower
Upper

Extinguishing Media
Fire Fighting Instructions

No data foundNone
No data found
No data foundWater, powder, carbon dioxide, foam
Avoid non-fire fighting equipped personnel to enter. Extinguishupwind from the fire wearing appropriate protective gear.

Section 6 - Accidental Release Measures
Spills/Leaks

Evacuate spill area. Provide adequate ventilation. Wear self-contained breathingapparatus, rubber boots and heavy rubber gloves. Sweep up, place in a bag andhold for waste disposal. Avoid raising dust. Do not contact with skin. Do notinhale. Wash spill site after material pickup is complete.

Section 7 - Handling and Storage
Handling

Wear appropriate protective gear. Do not contact with eyes, skin and on clothing.
Do not inhale. Handle with care. Wash mouth and hand after handling thematerial.

Storage

Keep container tightly closed. Avoid such conditions as direct sunlight and highpiling. Store in low-humid, low-temperature area.

Section 8 - Exposure Controls, Personal Protection
Engineering Controls Facilities storing or utilizing the material should be equipped with an eye wash
facilities and a safety shower. Use adequate ventilation to keep airbone
concentrations low.
Exposure Limits
Not data found
Personal Protective Equipment
Eyes
Skin
Clothing
Respirators

Safety goggles
Rubber gloves
Protective clothing and rubber boots
Anti-dust mask

Section 9 - Physical and Chemical Properties
Physical State
Appearance
OdorpHBoiling point
Melting point

Granular or powder
Yellowish brown - brown
None
No data found
No data found
206℃

Chemical Name: 2-Diazo-1-naphthol-4-sulfonic acid sodium salt rev-4
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Flash Point
Autoignition
Explosibility
Vapor Pressure
Vapor Density
Solubility
Molecular Weight

No data found
No data found
No data found
No data found
No data found
No data found163.14

Section 10 - Stability and Reactivity
Stability

Stable under normal temperatures and conditions

Conditions to avoid

Direct sunlight, high temperature, high humidity andhigh piling

Incompatibilites with Other Material
Hazardous Decomposition Products

Strong oxidizing agents
Toxic gases of carbon monoxide, nitrogen oxides,etc.

Hazardous Polymerization

Will not occur

Section 11 - Toxicological Information
RTECS #LD50/LC50
Carcinogenicity
Mutagenicity
Reproductive Effects
Teratogencity
Immunology
Irritation

No data found
No data found
No data foundMay be mutagenic substanceNo data found
No data found
No data found
No data foundSection 12 - Ecological Information
Ecotoxicity
Environmental Standard

No data found
No data foundSection 13 - Disposal Consideration
Disposal Method

Federal (national), state or local laws and regulations will determine theproper waste disposal method.

Regulations

Federal (national), state or local laws and regulations

Section 14 - Transport Information
Shipping Name
Hazard Class
UN #Self-reactive solid type D
4.1: Flammable solid
3226

Section 15 - Regulatory Information
United States
EC
CanadaTSCA
EINECSWHMIS

On the list
226-451-5
No data foundChemical Name: 2-Diazo-1-naphthol-4-sulfonic acid sodium salt rev-4
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Japan

PRTR Law

Not on the list

Section 16 - Other Information
MSDS Creation Date
November 10, 2010
Revised Date
March 31, 2014Revised No.
Revised 4thMSDS No.
G1060

This information above is believed to be accurate and represents the best information currently available to us. However, we make no warrantyof merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Showa
Kako be liable for any claims, losses, or damage of any third party or for lost profits or any special, incidental, consequential or exemplary
damages, howsoever arising, even if Showa Kako has been advised of the possibility of such damages.