vapor pressure
<0.1 mmHg ( 55 °C)
grade
purum
assay
≥98.0% (GC)
color
slightly brown
bp
238 °C (lit.)
mp
53-58 °C
SMILES string
OCC#CCO
InChI
1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
InChI key
DLDJFQGPPSQZKI-UHFFFAOYSA-N
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signalword
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
存储类别
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 2
flash_point_f
305.6 °F - closed cup
flash_point_c
152 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
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Małgorzata Kupczewska-Dobecka et al.
Medycyna pracy, 60(5), 347-357 (2009-12-17)
Derived No Effect Level (DNEL(inh)) has been set for occupational exposure to but-2-yno-1,4-diol according to REACH principles. Maximum allowable concentration (MAC) and DNEL(inh) have been compared. Experimental data from two inhalation studies on rats and three oral studies have been
Allergic contact dermatitis from 2-butin-1,4-diol.
V Blaschke et al.
Allergy, 56(3), 264-265 (2001-03-17)
R A Jedrychowski et al.
Journal of applied toxicology : JAT, 12(2), 117-122 (1992-04-01)
2-Butyne-1,4-diol was given to male and female Wistar Imp:DAK rats by oral gavage for 28 consecutive days in daily doses of 1, 10 or 50 mg kg-1 day-1. After 28 days all animals were necropsied. Blood samples were obtained and


