8.01537
2-Butyne-1,4-diol
(not stabilised) for synthesis
别名:
2-Butyne-1,4-diol, 1,4-Dimethoxyacetylene
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关于此项目
经验公式（希尔记法）:
C4H6O2
化学文摘社编号:
分子量:
86.09
UNSPSC Code:
12352104
EC Index Number:
203-788-6
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (GC)
Form:
solid
vapor pressure
<1 Pa ( 20 °C)
Quality Segment
assay
≥99.0% (GC)
form
solid
autoignition temp.
410 °C
potency
100 mg/kg LD50, oral (Rat)
pH
4-7.5 (23 °C, 100 g/L in H2O)
bp
125-127 °C/3 hPa
mp
54-57 °C
transition temp
flash point 152 °C
solubility
3740 g/L
density
1.11 g/cm3 at 20 °C
bulk density
500 kg/m3
storage temp.
2-30°C
SMILES string
OCC#CCO
InChI
1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
InChI key
DLDJFQGPPSQZKI-UHFFFAOYSA-N
Analysis Note
Assay (GC, area%): ≥ 99.0 % (a/a)
Melting range (lower value): ≥ 54 °C
Melting range (upper value): ≤ 57 °C
Identity (IR): passes test
Melting range (lower value): ≥ 54 °C
Melting range (upper value): ≤ 57 °C
Identity (IR): passes test
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警示词
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2
怎么回事？
WGK 2
闪点 (F)
305.6 °F - closed cup
闪点 (°C)
152 °C - closed cup
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects