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87750

Sigma-Aldrich

3,3′,5,5′-Tetramethylbenzidine dihydrochloride hydrate

≥98.0% (calc. on dry substance, AT)

Synonym(s):

TMB dihydrochloride

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About This Item

Linear Formula:
[-C6H2(CH3)2-4-NH2]2·2HCl·xH2O
CAS Number:
Molecular Weight:
313.27 (anhydrous basis)
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.83

Quality Level

assay

≥98.0% (calc. on dry substance, AT)

form

powder

impurities

≤6% water

solubility

acetic acid: water (1:2): soluble 0.1 g/5mL (hot)

storage temp.

2-8°C

SMILES string

O.Cl.Cl.Cc1cc(cc(C)c1N)-c2cc(C)c(N)c(C)c2

InChI

1S/C16H20N2.2ClH.H2O/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14;;;/h5-8H,17-18H2,1-4H3;2*1H;1H2

InChI key

KVCWTKDFVVSVSJ-UHFFFAOYSA-N

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Application

Noncarcinogenic substitute for benzidine.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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