Shanghai Nianxing Industrial Co., Ltd
China
Product Name: p Tolylmaleimide
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

DC Chemicals Limited
China
Product Name: p Tolylmaleimide
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-Pyrrole-2,5-dione,1-(4-methylphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

1631-28-3

1631-28-3 structure

1631-28-3 structure

Name: p Tolylmaleimide
Chemical Name: 1-(4-methylphenyl)-1h-pyrrole-2,5-dione
CAS Number: 1631-28-3
Molecular Formula: C₁₁H₉NO₂
Molecular Weight: 187.19500
Create Date: 2018-12-03 18:19:28
Modify Date: 2024-01-12 16:24:05
p-Tolylmaleimide is a water channel inhibitor which binds to aquaporin Z (AqpZ).

Name	1-(4-methylphenyl)-1h-pyrrole-2,5-dione
Synonyms	n-p-tolyl-maleimid N-4-Tolylmaleimide Maleimide,N-p-Tolyl MFCD00022581 p-Tolylmaleimide IT 510

Density	1.277g/cm3
Boiling Point	333.2ºC at 760mmHg
Molecular Formula	C₁₁H₉NO₂
Molecular Weight	187.19500
Flash Point	154.2ºC
Exact Mass	187.06300
PSA	37.38000
LogP	1.48940
Vapour Pressure	0.000139mmHg at 25°C
Index of Refraction	1.615

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ON6475000

CHEMICAL NAME :: Maleimide, N-p-tolyl-

CAS REGISTRY NUMBER :: 1631-28-3

BEILSTEIN REFERENCE NO. :: 0131320

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C11-H9-N-O2

MOLECULAR WEIGHT :: 187.21

WISWESSER LINE NOTATION :: T5VNVJ BR D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 710 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 50 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,22,1953

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 360 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

Hazard Codes	Xi: Irritant;
HS Code	2925190090

Precursor 10
108-31-6 106-49-0 37904-03-3 24870-11-9
557-24-4 55818-45-6 38046-98-9 2272-45-9
15485-32-2 65344-80-1
DownStream 10
106691-37-6 77-73-6 72657-49-9 29244-55-1
3120-12-5 617-48-1 1726-80-3 2314-79-6
74216-90-3 65344-80-1

HS Code	2925190090
Summary	2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%