m-tolidine

Modify Date: 2026-07-20 19:23:46

m-tolidine Structure
m-tolidine structure
Common Name m-tolidine
CAS Number 84-67-3 Molecular Weight 212.290
Density 1.1±0.1 g/cm3 Boiling Point 344.4±37.0 °C at 760 mmHg
Molecular Formula C14H16N2 Melting Point 105-106ºC
MSDS N/A Flash Point 192.9±26.0 °C

Summary: 4,4'-diamino-2,2'-dimethyl-1,1'-biphenyl (m-tolidine, CAS号:84-67-3, molecular formula: C14H16N2, molecular weight: 212.290), melting point 105-106℃, boiling point 344.4±37.0 °C, density 1.1±0.1 g/cm³. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 344.4±37.0 °C at 760 mmHg
Melting Point 105-106ºC
Molecular Formula C14H16N2
Molecular Weight 212.290
Flash Point 192.9±26.0 °C
Exact Mass 212.131348
PSA 52.04000
LogP 2.48
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.638
InChIKey QYIMZXITLDTULQ-UHFFFAOYSA-N
SMILES Cc1cc(N)ccc1-c1ccc(N)cc1C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2921590090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: European Journal of Organic Chemistry, , # 6 p. 1096 - 1110

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Journal of the American Chemical Society, , vol. 78, p. 1997,1999

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Journal of the American Chemical Society, , vol. 78, p. 1997,1999

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Chemische Berichte, , vol. 28, p. 2553

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Chem. Zentralbl., , vol. 73, # II p. 1447

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Chemische Berichte, , vol. 11, p. 1625

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: DE172569 ;

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m-tolidine Structure

m-tolidine

CAS#:84-67-3

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Literature: Chemische Berichte, , vol. 28, p. 2553

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2921590090
Summary 2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

UNII-O23M27FP1T
4,4'-Diamino-2,2'-dimethylbiphenyl
2,2'-Dimethyl-4,4'-biphenyldiamine
(1,1'-Biphenyl)-4,4'-diamine, 2,2'-dimethyl- (9CI)
2,2'-Dimethyl(1,1'-biphenyl)-4,4'-diamine
2,2'-Dimethylbenzidine
4-(4-amino-2-methylphenyl)-3-methylaniline
m-tolidine
2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine

 m-tolidine | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: Melting point of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 105-106ºC.
Q: What English synonyms does 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine have?
A: English synonyms of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine: UNII-O23M27FP1T, 4,4'-Diamino-2,2'-dimethylbiphenyl, 2,2'-Dimethyl-4,4'-biphenyldiamine, (1,1'-Biphenyl)-4,4'-diamine, 2,2'-dimethyl- (9CI), 2,2'-Dimethyl(1,1'-biphenyl)-4,4'-diamine, 2,2'-Dimethylbenzidine, 4-(4-amino-2-methylphenyl)-3-methylaniline, m-tolidine, 2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine.
Q: What is the polar surface area (PSA) of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: Polar surface area (PSA) of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 52.04000.
Q: What is the English name of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: The English name of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine.
Q: What is the boiling point of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: Boiling point of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 344.4±37.0 °C at 760 mmHg.
Q: What is the InChIKey of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: InChIKey of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is QYIMZXITLDTULQ-UHFFFAOYSA-N.
Q: What is the SMILES notation of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: SMILES notation of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is Cc1cc(N)ccc1-c1ccc(N)cc1C.
Q: What is the LogP of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: LogP of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 2.48.
Q: What is the molecular weight of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: Molecular weight of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is 212.290.
Q: What is the molecular formula of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine?
A: Molecular formula of 2,2'-Dimethyl[1,1'-biphenyl]-4,4'-diamine is C14H16N2.

 m-tolidinefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Huangshi Healthday Pharmaceutical Technology Co., Ltd.
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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