Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,4'-Diamino-3,3'-dimethyldiphenylmethane
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4,4'-DIAMINO-3,3'-DIMETHYLDIPHENYLMETHANE
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

838-88-0

838-88-0 structure

Name: 4,4'-Methylene di-o-toluidine
Chemical Name: 4,4'-Diamino-3,3'-Dimethyldiphenylmethane
CAS Number: 838-88-0
Molecular Formula: C₁₅H₁₈N₂
Molecular Weight: 226.317
Catalog: analytical chemistry Standard Cosmetic standard
Create Date: 2018-12-26 13:58:05
Modify Date: 2025-08-20 13:27:38

Name	4,4'-Diamino-3,3'-Dimethyldiphenylmethane
Synonyms	4,4'-Diamino-3,3'-dimethyldiphenylmethane 4,4'-Methylene di-o-toluidine Benzenamine, 4,4'-methylenebis[2-methyl- MFCD00126963 4,4'-Methylen-bis(2-methyl aniline) EINECS 212-658-8 4,4'-Methylenebis(2-methylaniline) 4,4'-Methylene-di(o-toluidine) 4-[(4-amino-3-methylphenyl)methyl]-2-methylaniline 4,4'-methanediylbis(2-methylaniline) Methane, bis[4-amino-3-methylphenyl]- 4,4'-Methylene-bis(2-methylaniline)

Density	1.1±0.1 g/cm3
Boiling Point	406.6±40.0 °C at 760 mmHg
Melting Point	155-157 °C
Molecular Formula	C₁₅H₁₈N₂
Molecular Weight	226.317
Flash Point	238.9±26.8 °C
Exact Mass	226.147003
PSA	52.04000
LogP	2.56
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.634

CHEMICAL IDENTIFICATION

RTECS NUMBER :: BY5300000

CHEMICAL NAME :: Aniline, 4,4'-methylenebis(2-methyl-

CAS REGISTRY NUMBER :: 838-88-0

BEILSTEIN REFERENCE NO. :: 0398069

LAST UPDATED :: 199701

DATA ITEMS CITED :: 14

MOLECULAR FORMULA :: C15-H18-N2

MOLECULAR WEIGHT :: 226.35

WISWESSER LINE NOTATION :: ZR B1 D1R DZ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4656 mg/kg/55W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors Skin and Appendages - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 4900 mg/kg/4Y-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 4820 mg/kg/69W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 6500 mg/kg/26W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 1 mg/plate

REFERENCE :: ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 49,185,1982 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,248,1987 IARC Cancer Review:Human Inadequate Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,248,1987 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,248,1987 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FRANCE;Carcinogen JAN 1993 OEL-GERMANY;Carcinogen JAN 1993 OEL-SWITZERLAND;Carcinogen JAN 1993

Symbol	GHS07, GHS08, GHS09
Signal Word	Danger
Hazard Statements	H302-H317-H350-H410
Precautionary Statements	P201-P273-P280-P308 + P313-P501
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	T: Toxic;N: Dangerous for the environment;
Risk Phrases	R45;R22;R43;R50/53
Safety Phrases	S53-S45-S60-S61
RIDADR	UN 3077 9/PG 3
WGK Germany	3
RTECS	BY5300000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2921590090

Precursor 7
50-00-0 95-53-4 88919-92-0 636-21-5
91-78-1 108-44-1 72621-64-8
DownStream 7
139-25-3 6864-37-5 1201895-82-0 2467-25-6
71655-97-5 67277-73-0 64497-21-8

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%

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