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Mit -Ivy Industry Co., Ltd.

China Manufacturer with main products: Sodium Nitrate, m-Phenylenediamine, Sodium Sulfate, 2-Naphthol 2-Hydroxynaphthalene, 2-Hydroxy-3-Naphthoic Acid, Methyl Violet, Crystal...

Home  >Products Catalog > Dyes & Organic Intermediates4,4'-Diaminodiphenylethylene-2,2'-Disulfonic Acid

Dyes & Organic Intermediates4,4'-Diaminodiphenylethylene-2,2'-Disulfonic Acid

FOB Price: 4750.00 - 4950.00 USD/Ton
Supply Ability: 50 Ton(s) per Month
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram, Safebuy, Other
In Stock
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Jiangsu in China

Quick Details

  • Brand Name: MIT -IVY
  • Usage: Ink Dyestuffs,Leather Dyestuffs,Paint Dyestuffs,Paper Dyestuffs,Plastic Dyestuffs,Textile Dyestuffs
  • Type: Acid Dye
  • Other Names: 4,4'-Diaminostilbene-2,2'-Disulfonic Acid;
  • CAS No.: 81-11-8


1.1 Product identifiers

Product name: 4,4-Diamino-2,2-stilbenedisulfonic acid

Product Number: 462268

Brand: Mit-ivy

REACH No.: A registration number is not available for this Substance as the

 substance or its uses are exempted from registration, the

Annual tonnage Does not require a registration or the

 registration Is envisaged for a later registration deadline.

CAS-No.: 81-11-8

1.2 Relevant identified uses of the substance or Mixture and uses advised against

Identified Uses: Laboratory chemicals, Manufacture of substances

1.3 Details of the supplier of the safety data sheet

Company : Mit-ivy Industry co., ltd

  Telephone: +0086 1380 0521 2761

  Fax: +0086 0516 8376 9139

1.4 Emergency telephone number

    Emergency Phone #: +0086 1380 0521 2761

  +0086 0516 8376 9139

SECTION 2: Hazards identification

2.1 Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008Acute toxicity, Oral (Category 4), H302

for the full text of the H-Statements mentioned in this Section, see Section 16.

2.2 Label Elements

Labelling According Regulation (EC) No 1272/2008Pictogram

Signal word Warning

Mit-ivy- 462268 Page 1 of 8

the life science business of Merck operates as Mit-ivy in

the US and Canada

H302 Harmful if swallowed.







2.3 Other hazards- none

SECTION 3: Composition/information on ingredients

3.1 Substances

Synonyms: Amsonic acid

Formula: C14H14N2O6S2

Molecular weight : 370,40 g/mol

CAS-No.: 81-11-8

EC-No.: 201-325-2

Component Classification  Concentration

4,4'-Diaminostilbene-2,2'-disulphonic acid

Acute Tox. 4; H302 <= 100 %

for the full text of the H-Statements mentioned in this Section, see Section 16.

SECTION 4: First aid measures

4.1 Description of first aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.


If breathed in, Move person into fresh air. If not breathing, give artificial respiration.

Consult a physician.

incaseof skin contact

Wash off with soap and plenty of Water. Consult a physician.

incaseof eye Contact

Flush eyes with water as a precaution.


Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult

A physician.

4.2 most important Symptoms and effects, both acute andDelayed

 the most important known symptoms and effects are described in the labelling (see section

 2.2) and/or in section 11

4.3 Indication of any immediate medical attention and special treatment needed

No data available

Mit-ivy- 462268 Page 2 of 8

the life science business of Merck operates as Mit-ivy in

the US and Canada

5.1 Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant Foam, dry chemical or carbon Dioxide.

5.2 Special Hazards arising from the substance or mixture

Carbon oxides, Nitrogen oxides (NOx), Sulphur oxides

5.3 Advice for firefighters

Wear self-contained breathing apparatus for firefighting if necessary.

5.4 Further Information

No data available

SECTION 6: Accidental release measures

6.1 Personal Precautions, protective equipment and emergencyProcedures

 Use personal Protective equipment. Avoid Dust formation. Avoid breathing Vapours, mist

 or gas. Ensure Adequate ventilation. Avoid breathing dust.

for personal protection see section 8.

6.2 Environmental Precautions

Do not Let product enter drains.

6.3 Methods and Materials for containment and cleaningup

 Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in

 suitable, closed containers for disposal.

6.4 Reference to other Sections

for disposal see section 13.

SECTION 7: Handling and storage

7.1 Precautions for Safe handling

Avoid Contact with skin and eyes. Avoid formation of dust and aerosols.

Provide appropriate exhaust ventilation at places Where dust is formed.Normal measures

for preventive Fire protection. for precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Store in cool place. Keep Container tightly closed In a dry and well-ventilated place.

7.3 Specific end use(s)

Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection

8.1 Control Parameters

Components with workplace control parameters

8.2 Exposure controls

Appropriate engineering controls

Handle in accordance with good industrial hygiene and Safety practice. Wash Hands

Before breaks and at the end of workday.

Mit-ivy- 462268 Page 3 of 8

the life science business of Merck operates as Mit-ivy in

the US and Canada

Eye/face Protection

Safety glasses with Side-shields conforming to EN166 Use equipment for eye

Protection Tested and approved under appropriate government standards such as

NIOSH (US) or EN 166(EU).


Handle with Gloves. Gloves must be inspected prior to use. Use proper Glove

Removal technique (without touching glove's outer surface) to avoid skin contact

with this product. Dispose of contaminated Gloves after use in accordance with

Applicable laws and Good laboratory practices. Wash and dry hands.

the selected protective gloves have to satisfy the specifications of Regulation (EU)

2016/425 and the Standard EN 374 derived from it.


Complete suit protecting against chemicals, the type of protective equipment must

Be selected According to the concentration and amount of the dangerous substance

at the specific workplace.

Respiratory protection

for nuisance exposures use type P95 (US) or type P1 (EU EN 143) Particle

Respirator.for higher level protection use type OV/AG/P99 (US) or Type ABEK-P2 (EU

EN 143) respirator cartridges. Use respirators and components tested and approved

under appropriate government standards such as NIOSH (US) or CEN (EU).

Control of Environmental exposureDo not Let product enter drains.

SECTION 9: Physical and chemical properties

9.1 Information on basic physical and chemical properties

A) Appearance Form: powder

 Colour: Orange

B) Odour No data available

C) Odour Threshold No data available

D) pH No data Available


Point/freezing Point

Melting point/range: >300°C-lit.

f)Initialboiling point

 and Boiling range



G) Flash point No data available

H) Evaporation rate No data Available








K) Vapour pressure No data Available

Mit-ivy- 462268 Page 4 of 8

Dyes and organic intermediates44Diaminodiphenylethylene22disulfonic acid

Service Process

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