p Tolylmaleimide

Modify Date: 2025-08-25 04:02:44

p Tolylmaleimide structure	Common Name	p Tolylmaleimide
	CAS Number	1631-28-3	Molecular Weight	187.19500
	Density	1.277g/cm3	Boiling Point	333.2ºC at 760mmHg
	Molecular Formula	C₁₁H₉NO₂	Melting Point	N/A
	MSDS	N/A	Flash Point	154.2ºC

Use of p Tolylmaleimide

p-Tolylmaleimide is a water channel inhibitor which binds to aquaporin Z (AqpZ).

Name	1-(4-methylphenyl)-1h-pyrrole-2,5-dione
Synonym	More Synonyms

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
CAS#:108-31-6 Maleic anhydride CAS#:106-49-0 p-Toluidine CAS#:37904-03-3 2-Butenoic acid... CAS#:24870-11-9 2-Butenoic acid...
CAS#:557-24-4 (Z)-4-Amino-4-o... CAS#:55818-45-6 methyltriphenyl... CAS#:38046-98-9 3-chloro-1-(4-m... CAS#:2272-45-9 Benzenamine,4-m...
CAS#:15485-32-2 1-(4-chlorophen... CAS#:65344-80-1 methyl 4-(4-met...
DownStream 10
CAS#:106691-37-6 2-[4-(4-methylp... CAS#:77-73-6 Tricyclo[5.2.1.... CAS#:72657-49-9 N-(p-methylphen... CAS#:29244-55-1 1-(4-Methylphen...
CAS#:3120-12-5 3-methyl-1-(4-m... CAS#:617-48-1 (±)-Malic Acid CAS#:1726-80-3 2-methoxybutane... CAS#:2314-79-6 2,5-Pyrrolidine...
CAS#:74216-90-3 3-methylidene-1... CAS#:65344-80-1 methyl 4-(4-met...

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%

n-p-tolyl-maleimid

N-4-Tolylmaleimide

Maleimide,N-p-Tolyl

MFCD00022581

p-Tolylmaleimide

IT 510

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: p Tolylmaleimide
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: p Tolylmaleimide
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: p Tolylmaleimide
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Delivery: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

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