甲醇 | 67-56-1

中文名甲醇

中文同义甲醇测定用标准溶液;标样-乙醇中甲醇;甲醇-GCS;水中甲醇;乙醇/水中甲醇;乙醇中甲醇;甲醇纯度标准物质木醇木精;甲醇溶液标准物质

英文名Methanol

英文同义METHYL RED MIXED SOLUTION;METHYL RED, NEUTRAL;METHYL RED MIXED SOLUTION R;METHYL RED INDICATOR;METHYL RED ETHANOL;METHYL RED, WATER SOLUBLE;METHYL RED, SPIRIT SOLUBLE;METHYL RED SOLUTION R

CAS67-56-1

分子式CH4O

分子量32.04

EINECS200-659-6

结构式

性质

熔点-98 °C(lit.)

沸点65.4 °C(lit.)

密度0.791 g/mL at 25 °C

蒸气密度1.11 (vs air)

蒸气压410 mm Hg ( 50 °C)

折射率n20/D 1.329(lit.)

闪点52 °F

储存条件Store at RT.

溶解度benzene: miscible(lit.)

酸度系数(pKa)15.2(at 25℃)

形态Liquid Free From Particulates

颜色<10(APHA)

比重0.793 (20/20℃)

相对极性0.762

气味 (Odor)Faint alcohol odor detectable at 4 to 6000 ppm (mean = 160 ppm)

嗅觉阈值(Odor Threshold)33ppm

爆炸极限值(explosive limit)5.5-44%(V)

水溶解性miscible

最大波长(λmax)λ: 210 nm Amax: 0.50 λ: 220 nm Amax: 0.30 λ: 230 nm Amax: 0.15 λ: 235 nm Amax: 0.10 λ: 240 nm Amax: 0.05 λ: 260 nm Amax: 0.01 λ: 400 nm Amax: 0.01

Merck14,5957

BRN1098229

Henrys Law Constant4.99 at 25 °C (headspace-GC, Gupta et al., 2000)

暴露限值TLV-TWA (200 ppm) (ACGIH), 260mg/m3, 1040mg/m3 (800 ppm) 15minutes (NIOSH); STEL 310mg/m3 (250 ppm); IDLH 25,000 ppm (NIOSH).

NIST化学物质信息Methyl alcohol(67-56-1)

EPA化学物质信息Methanol (67-56-1)

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