N-hydroxymaleamine

Modify Date: 2025-08-26 19:43:37

N-hydroxymaleamine Structure
N-hydroxymaleamine structure
Common Name N-hydroxymaleamine
CAS Number 4814-74-8 Molecular Weight 113.072
Density 1.8±0.1 g/cm3 Boiling Point 276.8±23.0 °C at 760 mmHg
Molecular Formula C4H3NO3 Melting Point 130-133 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 121.2±22.6 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name N-Hydroxymaleimide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 276.8±23.0 °C at 760 mmHg
Melting Point 130-133 °C (dec.)(lit.)
Molecular Formula C4H3NO3
Molecular Weight 113.072
Flash Point 121.2±22.6 °C
Exact Mass 113.011292
PSA 57.61000
LogP -1.06
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.667
Storage condition 2-8°C

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
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 C: Corrosive;
Risk Phrases R20/21/22;R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 3
WGK Germany 3
Packaging Group III
Hazard Class 8
HS Code 2925190090

 Synthetic Route

~79%

N-hydroxymaleamine Structure

N-hydroxymaleamine

CAS#:4814-74-8

Literature: Akiyama, Masayasu; Shimizu, Kazuyuki; Aiba, Seiichi; Banba, Fumio Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2122 - 2125

~15%

N-hydroxymaleamine Structure

N-hydroxymaleamine

CAS#:4814-74-8

Literature: Akiyama, Masayasu; Shimizu, Kazuyuki; Aiba, Seiichi; Banba, Fumio Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2122 - 2125

~44%

N-hydroxymaleamine Structure

N-hydroxymaleamine

CAS#:4814-74-8

Literature: Akiyama, Masayasu; Shimizu, Kazuyuki; Aiba, Seiichi; Banba, Fumio Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 2122 - 2125

 Customs

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%

 Articles1

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 Synonyms

1-Hydroxy-1H-pyrrole-2,5-dione
EINECS 225-385-4
1-hydroxypyrrole-2,5-dione
N-hydroxymaleamine
1H-Pyrrole-2,5-dione, 1-hydroxy-
MFCD00005501
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