19190
2-Butyne-1,4-diol
purum, ≥98.0% (GC), slightly brown
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About This Item
Linear Formula:
HOCH2C≡CCH2OH
CAS Number:
Molecular Weight:
86.09
EC Number:
203-788-6
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
1071237
MDL number:
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
Storage Class
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
Regulatory Information
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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
Douglass F Taber et al.
The Journal of organic chemistry, 73(4), 1605-1607 (2008-01-17)
The conversion of 2-butyn-1,4-diol to (Z)-2,4-diiodobut-2-en-1-ol proceeded efficiently using in situ generated trimethylsilyl iodide. Coupling with Grignard reagents and other nucleophiles delivered (2Z)-2-iodo allylic alcohols. The geometry of the products was established by nOe.