63189
马来酸
tested according to Ph. Eur.
别名:
马来酸, 失水苹果酸, 顺丁烯二酸
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线性分子式:
HO2CCH=CHCO2H
化学文摘社编号:
分子量:
116.07
EC Number:
203-742-5
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
605762
MDL number:
agency
USP/NF, tested according to Ph. Eur.
assay
99.0-101.0% substance (anhydrous) basis
form
fine crystals, powder
mp
130-135 °C (lit.)
solubility
water: soluble 478.8 g/L at 20 °C
density
1.59 g/mL at 25 °C (lit.)
cation traces
Fe: ≤5 ppm, heavy metals: ≤10 ppm
application(s)
pharmaceutical (small molecule)
storage temp.
2-8°C
SMILES string
OC(=O)\C=C/C(O)=O
InChI
1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1-
InChI key
VZCYOOQTPOCHFL-UPHRSURJSA-N
General description
Maleic acid is a dicarboxylic acid. It can be synthesized from crotonaldehyde.
Application
Maleic acid may be used in the synthesis of (R,S)-malic acid and fumaric acid. It may be employed as an anionic monomer in the preparation of superswelling acrylamide (AAm)/maleic acid (MA) hydrogels.†
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
8A - Combustible corrosive hazardous materials
wgk
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Eagleson M.
Concise Encyclopedia Chemistry, 277-277 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 617-617 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 434-434 (1994)