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重要文件

63189

Sigma-Aldrich

马来酸

tested according to Ph. Eur.

同義詞:

马来酸, 失水苹果酸, 顺丁烯二酸

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About This Item

線性公式:
HO2CCH=CHCO2H
CAS號碼:
分子量::
116.07
Beilstein:
605762
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:

agency

USP/NF
tested according to Ph. Eur.

化驗

99.0-101.0% substance (anhydrous) basis

形狀

fine crystals
powder

mp

130-135 °C (lit.)

溶解度

water: soluble 478.8 g/L at 20 °C

密度

1.59 g/mL at 25 °C (lit.)

正離子痕跡

Fe: ≤5 ppm
heavy metals: ≤10 ppm

應用

pharmaceutical (small molecule)

儲存溫度

2-8°C

SMILES 字串

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 密鑰

VZCYOOQTPOCHFL-UPHRSURJSA-N

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一般說明

Maleic acid is a dicarboxylic acid. It can be synthesized from crotonaldehyde.

應用

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.†

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1 - Skin Sens. 1 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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