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3,3′-Diaminobenzidine

3,3′-Diaminobenzidine structure

CAS No:
91-95-2
Formula:
C12H14N4
Chemical Name:
3,3′-Diaminobenzidine
Synonyms:
[1,1′-Biphenyl]-3,3′,4,4′-tetramine;3,3′,4,4′-Biphenyltetramine;3,3′-Diaminobenzidine;3,3′,4,4′-Tetraaminodiphenyl;3,3′,4,4′-Tetraaminobiphenyl;DAB;NSC 76152;Biphenyl-3,3′,4,4′-tetraamine;Betazoid DAB;3,4,3′,4′-Tetraaminobiphenyl;1458011-73-8
Categories:
Pharmaceutical Intermediates > Heterocyclic Compound

Description

solid

DryPowder|RED-TO-BROWN HYGROSCOPIC SOLID IN VARIOUS FORMS.

3,3'-diaminobenzidine is a member of the class of biphenyls that is benzidine in which one of the hydrogens ortho to each of the amino groups has been replaced by an amino group. It has a role as a histological dye. It is a member of biphenyls and a substituted aniline.|A chemically and thermodynamically stable derivative of BENZIDINE.

3,3′-Diaminobenzidine Basic Attributes

Molecular Weight：

214.27

Exact Mass：

214.27

EC Number：

202-110-6

UNII：

2RV4T6KHQI

ICSC Number：

1666

NSC Number：

76152

DSSTox ID：

DTXSID2036827

HScode：

29214200

Characteristics

PSA：

104

XLogP3：

0.09

Appearance：

tablet

Density：

1.3±0.1 g/cm3

Melting Point：

178 °C

Boiling Point：

481.7±45.0 °C at 760 mmHg

Flash Point：

12 °C

Refractive Index：

1.766

Water Solubility：

H2O: 0.55 g/L (20 ºC)

Storage Conditions：

2-8°C

Toxicity：

Oral-rat LDL0: 3000 mg/kg; Oral-Mouse LD50: 1834 mg/kg

Flammability characteristics：

Flammable; burning produces toxic nitrogen oxide fumes

Autoignition Temperature：

560 °C

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38-40-22-20/21/22-68-45-67-37-34-11-8

safety instructions：

26-36/37-45-36/37/39-22-53-16

RTECS Number：

DV8750000

Marks：

Xn,T,F,O

Storage features：

Warehouse ventilated, low temperature and dry

Stability/Shelf Life：

Stability Moisture and light sensitive. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P201-P280-P301 + P312 + P330-P305 + P351 + P338-P308 + P313-P337 + P313

Hazard Statements：

H302-H319-H341-H350

Fire Hazards：

Combustible.

GHS Classification：

|Danger|H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]|P201, P202, P281, P308+P313, P405, and P501|H341 (100%): Suspected of causing genetic defects [Warning Germ cell mutagenicity]|Aggregated GHS information provided by 96 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Fire Fighting：

Use water spray, powder, alcohol-resistant foam, carbon dioxide.

Spillage Disposal：

Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.

Safe Storage：

Dry. Well closed. Separated from food and feedstuffs and strong oxidants. Store in an area without drain or sewer access.

Inhalation Risk：

A harmful concentration of airborne particles can be reached quickly.

Effects of Short Term Exposure：

May cause mechanical irritation to the eyes.

Effects of Long Term Exposure：

This substance is possibly carcinogenic to humans.

Fire Prevention：

NO open flames.

Exposure Prevention：

AVOID ALL CONTACT!

Inhalation Prevention：

Use closed system or ventilation.

Skin Prevention：

Protective gloves. Protective clothing.

Eye Prevention：

Wear safety spectacles.

Toxicity

Toxicity class：

moderately toxic

Drug Information

First Aid：

Fresh air, rest.

Remove contaminated clothes. Rinse and then wash skin with water and soap.

Rinse with plenty of water for several minutes (remove contact lenses if easily possible).

MeSH Entry Terms：

3,3 Diaminobenzidine

Exposure Routes：

The substance can be absorbed into the body in hazardous amounts by inhalation of its aerosol and by ingestion.

Symptoms：

Redness.

3,3′-Diaminobenzidine Use and Manufacturing

Uses

3,3',4,4'-biphenyltetramine be used for preparation of high-strength material and resistance high-temperature polymers such as bullet-proof vests.

Flame retardants

Fabric, textile, and leather products not covered elsewhere

Production

100,000 - 500,000 lb

Manufacturing Info：

All other chemical product and preparation manufacturing|[1,1'-Biphenyl]-3,3',4,4'-tetramine: ACTIVE

Computed Properties

Molecular Weight:214.27
XLogP3:0.9
Hydrogen Bond Donor Count:4
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:1
Exact Mass:214.121846464
Monoisotopic Mass:214.121846464
Topological Polar Surface Area:104
Heavy Atom Count:16
Complexity:209
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Hydrochloric acid

o-Phenylenediamine

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