1,4-DIMETHOXY-2-BUTYNE

CAS No.：16356-02-8

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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1,4-DIMETHOXY-2-BUTYNE Basic information

Product Name:	1,4-DIMETHOXY-2-BUTYNE
Synonyms:	1,4-DIMETHOXY-2-BUTYNE 98%;1,4-DIMETHOXY-2-BUTYNE;1,4-DIMETHOXY-2-BUTYNE, 98%1,4-DIMETHOXY-2-BUTYNE, 98%1,4-DIMETHOXY-2-BUTYNE, 98%1,4-DIMETHOXY-2-BUTYNE, 98%;1,4-dimethoxybut-2-yne;2-Butyne,1,4-dimethoxy-
CAS:	16356-02-8
MF:	C6H10O2
MW:	114.14
EINECS:
Product Categories:	Alkynes;Internal;Organic Building Blocks
Mol File:	16356-02-8.mol

1,4-DIMETHOXY-2-BUTYNE Chemical Properties

Melting point	-39°C(lit.)
Boiling point	70 °C/30 mmHg (lit.)
density	0.944 g/mL at 25 °C (lit.)
refractive index	n20/D 1.434(lit.)
Fp	128 °F
form	clear liquid
color	Colorless to Light yellow to Light orange

Safety Information

Risk Statements	10
Safety Statements	16
RIDADR	UN 3271 3/PG 3
WGK Germany	3
HazardClass	3
PackingGroup	III

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

1,4-DIMETHOXY-2-BUTYNE Usage And Synthesis

Uses	1,4-Dimethoxy-2-butyne may be used in the preparation of alkyne complexes: decacarbonyl(μ₃;-η²-verbar-1,4-dimethoxy-2-butyne)triiron and nonacarbonyl(μ₃;-η²;-⊥-1,4-dimethoxy-3-butyne)triiron. It may also be used to synthesize benzonaphthosiline.
General Description	1,4-Dimethoxy-2-butyne is a symmetrical aliphatic alkyne. Its reaction with Hg(OAc)₂ (Mercury(II)acetate) has been investigated.

1,4-DIMETHOXY-2-BUTYNE Preparation Products And Raw materials

Preparation Products

1,4-DIMETHOXYBUTANE

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