8.45002
马来酸
Msynth™plus
别名:
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 Index Number:
203-742-5
UNSPSC Code:
12352106
Beilstein/REAXYS Number:
605762
MDL number:
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
vapor pressure
<0.1 hPa ( 20 °C)
assay
≥99% (acidimetric)
form
powder
potency
708 mg/kg LD50, oral (Rat), 1560 mg/kg LD50, skin (Rabbit)
pH
1.3 (20 °C, 100 g/L in H2O)
mp
130-135 °C (lit.)
solubility
478.8 g/L
density
1.59 g/mL at 25 °C (lit.)
bulk density
750‑800 kg/m3
storage temp.
2-30°C
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Analysis Note
Colour (visual): white
Appearance of substance (visual): powder
Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 130 °C
Melting range (upper value): ≤ 135 °C
Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test
Appearance of substance (visual): powder
Assay (HPLC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 130 °C
Melting range (upper value): ≤ 135 °C
Assay (acidimetric): ≥ 99.0 %
Identity (IR): passes test
Legal Information
MSYNTH is a trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
13 - Non Combustible Solids
wgk
WGK 1
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