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Name 3,3'-Diaminobenzidine
EINECS202-110-6
CAS No. 91-95-2
Density1.307 g/cm³
PSA104.08000
LogP4.00720
Solubility0.55 g/L (20 °C) in water
Melting Point175-177 °C(lit.)
FormulaC₁₂H₁₄N₄
Boiling Point481.7 °C at 760 mmHg
Molecular Weight214.27
Flash Point282.7oC
Transport InformationN/A
Appearancesolid
Safety26-36/37-45-36/37/39-22
Risk Codes36/37/38-40-22-20/21/22
Molecular Structure
Hazard SymbolsXn
SynonymsXn
Article Data17

3,3'-Diaminobenzidine Chemical Properties

IUPAC:4-(3,4-diaminophenyl)benzene-1,2-diamine
CAS:91-95-2
The Molecular formula of 3,3′,4,4′-BIPHENYLTETRAMINE(91-95-2):C₁₂H₁₄N₄
The Molecular Weight of 3,3′,4,4′-BIPHENYLTETRAMINE(91-95-2):214.27
Synonyms:TIMTEC-BB SBB008427;[1,1'-BIPHENYL]-3,3',4,4'-TETRAMINE;3,3'-DIAMINOBENZIDINE;3,3',4,4'-TETRAAMINOBIPHENYL;3,3',4,4'-TETRAAMINODIPHENYL;3,3',4,4'-BIPHENYLTETRAMIN;3,3'-Diaminobenzidine;3,4,3',4'-TETRAAMINOBIPHENYL
EINECS:202-110-6
Density:1.307 g/cm³
Melting Point:175-177^oC(lit.)
storage temp.:2-8^oC
Boiling Point:481.7^oC at 760 mmHg
Flash Point:282.7^oC
Vapour Pressure:1.95E-09 mmHg at 25^oC
Index of Refraction:1.765
Product Categories:Biphenyl & Diphenyl ether;Biphenyls (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;Biochemistry;Enzyme;Substrates
Mol File:91-95-2.mol

3,3'-Diaminobenzidine Uses

3,3′,4,4′-BIPHENYLTETRAMINE(91-95-2) is used as a pharmaceutical intermediate.It is commonly used in immunohistochemical staining.

3,3'-Diaminobenzidine Toxicity Data With Reference

1.	mma-sat 100 µg/plate	BJCAAI British Journal of Cancer. 37 (1978),873.
2.	dnd-esc 20 µmol/L	MUREAV Mutation Research. 89 (1981),95.
3.	mmo-smc 140 µmol/L	MGGEAE Molecular and General Genetics. 174 (1979),39.
4.	dns-rat:lvr 500 µmol/L	ENMUDM Environmental Mutagenesis. 3 (1981),11.
5.	orl-rat LDLo:3000 mg/kg	CNREA8 Cancer Research. 26 (1966),619.
6.	orl-mus LD50:1834 mg/kg	GISAAA Gigiena i Sanitariya. 46 (1)(1981),94.

3,3'-Diaminobenzidine Consensus Reports

Reported in EPA TSCA Inventory.

3,3'-Diaminobenzidine Safety Profile

Suspected carcinogen with experimental tumorigenic data. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x. See also AROMATIC AMINES.

Safty informations about 3,3′,4,4′-BIPHENYLTETRAMINE(91-95-2):
Hazard Codes:Xn
Risk Statements:36/37/38-40-22-20/21/22
36/37/38(Irritating to eyes, respiratory system and skin)
40(Limited evidence of a carcinogenic effect)
22(Harmful if swallowed)
20/21/22(Harmful by inhalation, in contact with skin and if swallowed)
Safety Statements:26-36/37-45-36/37/39-22
26(In case of contact with eyes, rinse immediately with plenty of water and seek medical advice)
36/37(Wear suitable protective clothing and gloves)
45(In case of accident or if you feel unwell, seek medical advice immediately (show label where possible))
36/37/39(Wear suitable protective clothing, gloves and eye/face protection)
22(Do not breathe dust)
WGK Germany:1
RTECS:DV8750000
F:8-10-23

3,3'-Diaminobenzidine Standards and Recommendations

DFG MAK: Confirmed Animal Carcinogen with Unknown Relevance to Humans

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