2,2-Dimethoxypropane , 99% , 77-76-9

Synonym(s):
2,2-Dimethoxypropane;Acetone dimethyl acetal

CAS NO.：77-76-9

Empirical Formula: C5H12O2

Molecular Weight: 104.15

MDL number: MFCD00008479

EINECS: 201-056-0

Update time: 2022-07-08

PRODUCT Properties

Melting point:	-47 °C
Boiling point:	83 °C (lit.)
Density	0.847 g/mL at 25 °C (lit.)
vapor density	3.59 (vs air)
vapor pressure	60 mm Hg ( 15.8 °C)
refractive index	n20/D 1.378(lit.)
Flash point:	12 °F
storage temp.	Store below +30°C.
solubility	180g/l
form	Liquid
Specific Gravity	0.852 (20/4℃)
color	Clear colorless
explosive limit	31%, 58°F
Water Solubility	18 g/100 mL (25 ºC)
BRN	635678
Stability:	Stable. Highly flammable - note low flash point. Vapour may form an explosive mixture with air. May form explosive peroxides when exposed to air. Incompatible with strong oxidizing agents.
InChIKey	HEWZVZIVELJPQZ-UHFFFAOYSA-N
Surface tension	21.46mN/m at 298.15K
CAS DataBase Reference	77-76-9(CAS DataBase Reference)
NIST Chemistry Reference	2,2-Dimethoxypropane(77-76-9)
EPA Substance Registry System	Propane, 2,2-dimethoxy- (77-76-9)

Description and Uses

2,2-Dimethoxypropane acts as a dehydrating agent. It also serves as an intermediate in the synthesis of vitamin E, vitamin A and various carotenoids such as astaxanthin. It is used as a reagent for the preparation of 1,2-diols, acetonides, isopropylidene derivatives of sugars, nucleosides, methyl esters of amino acids and enol ethers.

Safety

Symbol(GHS)	GHS02,GHS07
Signal word	Danger
Hazard statements	H225-H319
Precautionary statements	P210-P233-P240-P241-P242-P305+P351+P338
Hazard Codes	F,Xi
Risk Statements	11-36-36/37/38
Safety Statements	26-9-37/39-33-16-33,37/39
RIDADR	UN 1993 3/PG 2
WGK Germany	2
F	10-21
TSCA	Yes
HazardClass	3
PackingGroup	II
HS Code	29110000
Toxicity	LD50 orally in Rabbit: > 2260 mg/kg LD50 dermal Rat > 2100 mg/kg
Limited Quantities	1.0 L (0.3 gallon) (liquid)
Excepted Quantities	Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)