2-Butyne-1,4-diol

ALDRICH/B103209 - 99%

Synonym: 1,4-Butynediol; 1,4-Dihydroxy-2-butyne; 2-Butynediol; Bis(hydroxymethyl)acetylene

CAS Number: 110-65-6
Empirical Formula (Hill Notation): C₄H₆O₂
Molecular Weight: 86.09
EC Number: 203-788-6
MDL Number: MFCD00002915
Linear Formula: HOCH₂C≡CCH₂OH
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-B103209-100G	100 g	$59.00 1/EA	Add To Favorites
45-B103209-500G	500 g	$94.40 1/EA	Add To Favorites
45-B103209-1KG	1 kg	$118.00 1/EA	Add To Favorites

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This image depicts SKU: B103209-100G

Properties
Descriptions
Safety Info.
Basic Data

assay	99%
bp	238 °C (lit.)
form	crystals
InChI	1S/C4H6O2/c5-3-1-2-4-6/h5-6H,3-4H2
InChI key	DLDJFQGPPSQZKI-UHFFFAOYSA-N
mp	53-58 °C (lit.)
Quality Level	200
SMILES string	OCC#CCO
vapor pressure	<0.1 mmHg ( 55 °C)

Application:	2-Butyne-1,4-diol is extensively used in the cycloaddition reactions such as the homologation method for the preparation of substituted acenes, rhodium and iridium-catalyzed [2+ 2+ 2] inter and intramolecular cyclotrimerization. It can also be used in the total synthesis of (−)-isolaurallene, (−)-amphidinolide P and bistramide A.
Packaging:	1 kg in poly bottle
Packaging:	100, 500 g in poly bottle

Symbol	GHS05,GHS06,GHS08
Signal word	Danger
Hazard statements	H301 + H311 + H331 - H314 - H317 - H373
Precautionary statements	P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P314
Hazard Codes	T,C
Risk Statements	21-23/25-34-43-48/22
Safety Statements	25-26-36/37/39-45-46
RIDADR	UN 2716 6.1 / PGIII
WGK Germany	WGK 3
Flash Point(F)	305.6 °F - closed cup
Flash Point(C)	152 °C - closed cup

Purity	99%
bp	238 °C (lit.)
mp	53-58 °C (lit.)
UNSPSC	12352100

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