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2,2'-Dimethylbenzidine hydrochloride

HCID 219060
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Basic information

CAS
198487-76-2
Standard SMILES
Cc1cc(N)ccc1-c1ccc(N)cc1C.Cl
InChIKey
CZFJZGCNFULLBI-UHFFFAOYSA-N
Molecular formula
C14H16N2.HCl
Average molar mass
248.75 g/mol
Monoisotopic mass
248.1080262

Overview

2,2'-dimethylbenzidine hydrochloride is a light tan solid. (NTP, 1992)

Names & identifiers

Preferred name
2,2'-Dimethylbenzidine hydrochloride
IUPAC
4-(4-amino-2-methylphenyl)-3-methylaniline;hydrochloride
English name
22Dimethylbenzidinehcl
Molecular formula
C14H17ClN2
Molecular weight
248.75

Names & synonyms

2,2'-Dimethylbenzidine hydrochloride198487-76-22BFQ810EUZDTXSID0025107(1,1'-Biphenyl)-4,4'-diamine, 2,2'-dimethyl-, monohydrochloride(1,1'-Biphenyl)-4,4'-diamine, 2,2'-dimethyl-, hydrochloride (1:1)2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine hydrochloride2,2'-DIMETHYL-(1,1'-BIPHENYL)-4,4'-DIAMINE HYDROCHLORIDERefChem:440284M-TOLIDINE HYDROCHLORIDEDTXCID5051072,2'-TOLIDINE HYDROCHLORIDE
Show more names
22Dimethylbenzidinehcl
2,2'-DIMETHYL-4,4'-BIPHENYLDIAMINE HYDROCHLORIDE4,4'-DIAMINO-2,2'-DIMETHYLBIPHENYL HYDROCHLORIDE(1,1'-BIPHENYL)-4,4'-DIAMINE, 2,2'-DIMETHYL-, HYDROCHLORIDE96196-27-9Benzidine, 2,2'-dimethyl-, hydrochloride2,2''-Dimethylbenzidine HydrochlorideUNII-2BFQ810EUZSCHEMBL866171

Database identifiers

CAS
198487-76-2、60410-99-3、96196-27-9
PubChem CID
219060
DTXSID
DTXSID0025107
UNII
2BFQ810EUZ

Properties

Computed structural properties

Topological polar surface area
52 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
2
Rotatable bonds
1
Heavy atoms
17
Formal charge
0
Complexity
205

Experimental & physicochemical properties

Solubility50 to 100 mg/mL at 66 °F (NTP, 1992)
Melting Pointgreater than 572 °F (NTP, 1992)
Physical Description2,2'-dimethylbenzidine hydrochloride is a light tan solid. (NTP, 1992)

Physicochemical properties

FDA UNII
2 BFQ810EUZ · 2BFQ810EUZ
EPA Substance Registry System
2 · Benzidine, 2,2'-dimethyl-, hydrochloride (96196-27-9)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Fire HazardsFlash point data for this chemical are not available; however, it is probably combustible. (NTP, 1992)
Health HazardsACUTE/CHRONIC HAZARDS: When heated to decomposition this compound emits toxic fumes of carbon oxides and nitrogen oxides. (NTP, 1992)
Reactive GroupSalts, Acidic
Reactivity Profile2,2'-DIMETHYLBENZIDINE HYDROCHLORIDE is incompatible with strong oxidizing agents. (NTP, 1992)
Air and Water ReactionsSoluble in water. Aqueous solutions are acidic.

Safety & protection

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. A water spray may also be used. (NTP, 1992)
First Aid · 1 item

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill Response · 1 item

SMALL SPILLS AND LEAKAGE: If you spill this chemical, you should dampen the solid spill material with water, then transfer the dampened material to a suitable container. Use absorbent paper dampened with water to pick up any remaining material. Seal your contaminated clothing and the absorbent paper in a vapor-tight plastic bag for eventual disposal. Wash all contaminated surfaces with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

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Personal Protective Equipment (PPE) · 1 item

RECOMMENDED RESPIRATOR: Where the neat test chemical is stored, weighed and diluted, wear an approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)