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Aromatic building blocks

2,2'-Dimethylbenzidine hydrochloride

Also known as (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 hydrochloride

CAS 198487-76-2Formula C14H17ClN2Molar mass 248.76 g/mol
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2,2'-Dimethylbenzidine hydrochloride chemical structure, C14H17ClN2, CAS 198487-76-2
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Solid
Melting point
>300 °C
Solubility
50 to 100 mg/mL at 66 °F (NTP, 1992)
HS code
292159
Category
Aromatic building blocks
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is 2,2'-Dimethylbenzidine hydrochloride?

Plain description, key identifiers and synonyms

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

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(4-amino-2-methylphenyl)-3-methylaniline, hydrochloride
CAS number
198487-76-2 CAS number cross-checkedOther or deprecated CAS: 60410-99-3, 96196-27-9
Molecular formula
C14H17ClN2
UNII
2BFQ810EUZ
InChIKey
CZFJZGCNFULLBI-UHFFFAOYSA-N
InChI
InChI=1S/C14H16N2.ClH/c1-9-7-11(15)3-5-13(9)14-6-4-12(16)8-10(14)2;/h3-8H,15-16H2,1-2H3;1H
SMILES (canonical and isomeric)
CC1=C(C=CC(=C1)N)C2=C(C=C(C=C2)N)C.Cl

Synonyms

  • (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 hydrochloride
  • 2,2'-Dimethyl-(1,1'-biphenyl)-4,4'-diamine hydrochloride
  • m-Tolidine hydrochloride
  • 2,2'-Tolidine hydrochloride
  • 2,2'-Dimethyl-4,4'-biphenyldiamine hydrochloride
  • 4,4'-Diamino-2,2'-dimethylbiphenyl hydrochloride
  • (1,1'-Biphenyl)-4,4'-diamine, 2,2'-dimethyl-, hydrochloride
  • Benzidine, 2,2'-dimethyl-, hydrochloride
  • 2,2''-Dimethylbenzidine Hydrochloride
  • 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine--hydrogen chloride (1/1)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Solidexp.
Melting point
>300 °Cexp.
Solubility
50 to 100 mg/mL at 66 °F (NTP, 1992)exp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
248.76 g/molcalc.
Exact mass
248.108 Dacalc.
LogP (octanol/water)
3.56calc.
Topological polar surface area
52.04 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

2,2'-Dimethylbenzidine hydrochloride suppliers

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2,2'-Dimethylbenzidine hydrochloride price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2,2'-Dimethylbenzidine hydrochloride is traded under.

HS 2921.59Indicative HS code

Aromatic polyamines and their derivatives, salts thereof, other

World exports in 2024
$510M
−0.4% vs 2023, imports $488M
2019 to 2024
Top exporters
  1. China26.6%
  2. Japan16.6%
  3. India * partner reported12.4%
Top importers
  1. United States17.9%
  2. Germany11.6%
  3. South Korea7.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2,2'-Dimethylbenzidine hydrochloride is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2,2'-Dimethylbenzidine hydrochloride, based on the data on this page

What is 2,2'-Dimethylbenzidine hydrochloride?

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

What is the CAS number of 2,2'-Dimethylbenzidine hydrochloride?

The CAS registry number of 2,2'-Dimethylbenzidine hydrochloride is 198487-76-2. Other or deprecated CAS numbers: 60410-99-3, 96196-27-9.

What is the molecular formula and weight of 2,2'-Dimethylbenzidine hydrochloride?

The molecular formula of 2,2'-Dimethylbenzidine hydrochloride is C14H17ClN2 and its molar mass is 248.76 g/mol.

What is 2,2'-Dimethylbenzidine hydrochloride used for?

Known uses and roles of 2,2'-Dimethylbenzidine hydrochloride include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2,2'-Dimethylbenzidine hydrochloride hazardous?

No GHS hazard classification for 2,2'-Dimethylbenzidine hydrochloride is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 2,2'-Dimethylbenzidine hydrochloride?

2,2'-Dimethylbenzidine hydrochloride is usually classified under HS code 292159 (Aromatic polyamines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2,2'-Dimethylbenzidine hydrochloride?

Post a free request on CompoundList and suppliers of 2,2'-Dimethylbenzidine hydrochloride will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2,2'-Dimethylbenzidine hydrochloride?

Suppliers quote 2,2'-Dimethylbenzidine hydrochloride on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2,2'-Dimethylbenzidine hydrochloride

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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