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3,3′-Dichlorobenzidine

3,3′-Dichlorobenzidine structure

CAS No:
91-94-1
Formula:
C12H10Cl2N2
Chemical Name:
3,3′-Dichlorobenzidine
Synonyms:
[1,1′-Biphenyl]-4,4′-diamine,3,3′-dichloro-;Benzidine,3,3′-dichloro-;3,3′-Dichloro[1,1′-biphenyl]-4,4′-diamine;C.I. 23060;o,o′-Dichlorobenzidine;3,3′-Dichlorobenzidine;3,3′-Dichlorobiphenyl-4,4′-diamine;3,3′-Dichloro-4,4′-diaminobiphenyl;Curithane C 126;4,4′-Diamino-3,3′-dichlorodiphenyl;4,4′-Diamino-3,3′-dichlorobiphenyl;4′-Amino-3,3′-dichloro[1,1′-biphenyl]-4-ylamine;3,3′-Dichloro-p,p′-bianiline;NSC 154073;4,4′-Bis(2-chloroaniline)
Categories:
Organic Chemistry > Amides

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Description

colourless to white crystalline solid 3,3’-Dichlorobenzidine is a gray or purple crystalline solid.

3,3′-Dichlorobenzidine Basic Attributes

Molecular Weight：

253.13

Exact Mass：

253.13

EC Number：

202-109-0

HScode：

2921590032

Characteristics

PSA：

XLogP3：

3.51

Appearance：

3,3'-dichlorobenzidine is a gray to purple crystalline powder. Insoluble in water. Very toxic. Used in the dye industry, curing agent for isocyanate terminated resins.

Density：

1.4±0.1 g/cm3

Melting Point：

132-133 °C

Boiling Point：

402 °C

Flash Point：

10 °C

Refractive Index：

1.679

Water Solubility：

3.114mg/L(25 ºC)

Storage Conditions：

2-8°C

Vapor Pressure：

4.2 x 10 -7 at 25 °C (estimated, Howard, 1989)

Toxicity：

Oral-rat LD50: 3820 mg/kgOral-Mouse LD50: 2464 mg/kg

Flammability characteristics：

Flammable; emit toxic hydrogen chloride, nitrogen oxide gas when heated

PH：

Weak base

Safety Information

Packing level：

Hazard category：

IRRITANT

Transport codes：

UN 3077 9/PG 3

wgk germany：

hazard class code：

45-21-43-50/53-52/53-39/23/24/25-23/24/25-11-51/53

safety instructions：

53-45-60-61-36/37-16-7

RTECS Number：

DD0550000

Marks：

T,N,F

Storage features：

Treasury is ventilated at low temperature and dry; stored and transported separately from oxidants and food

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P201-P210-P260-P273-P280-P301 + P310

Hazard Statements：

H225-H301 + H311 + H331-H350-H370-H411

Toxicity

Toxicity class：

moderately toxic

3,3′-Dichlorobenzidine Use and Manufacturing

Used as dye and pigment intermediate

Computed Properties

Molecular Weight:253.12
XLogP3:3.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:252.0221037
Monoisotopic Mass:252.0221037
Topological Polar Surface Area:52
Heavy Atom Count:16
Complexity:213
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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3,3'-Dichlorobenzidine

CAS No.: 91-94-1

Grade: Industrial Grade

Content: 99%

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