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

4814-74-8

4814-74-8 structure

Name: N-hydroxymaleamine
Chemical Name: N-Hydroxymaleimide
CAS Number: 4814-74-8
Molecular Formula: C₄H₃NO₃
Molecular Weight: 113.072
Catalog: Chemical reagent Organic reagent Imide
Create Date: 2018-09-26 08:26:00
Modify Date: 2025-08-26 19:43:37

Name	N-Hydroxymaleimide
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

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

Symbol	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

60361-89-9

~79%

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

5596-17-8

~15%

4814-74-8

58936-19-9

~44%

4814-74-8

Precursor 3
60361-89-9 5596-17-8 58936-19-9
DownStream 0

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%

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