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N,N-Dimethylformamide dimethyl acetal Structure

N,N-Dimethylformamide dimethyl acetal

Chemical Properties

Melting point -85°C
Boiling point 102-103 °C/720 mmHg (lit.)
Density  0.897 g/mL at 25 °C (lit.)
vapor pressure  34.5hPa at 20℃
refractive index  n20/D 1.396(lit.)
Flash point 45 °F
storage temp.  Store below +30°C.
solubility  Miscible with most organic solvents.
pka 5.00±0.50(Predicted)
form  Solid
color  White to off-white
PH 7 (H2O)
explosive limit 1.3-17.7%(V)
Water Solubility  hydrolysis
Sensitive  Moisture Sensitive
BRN  506020
Exposure limits ACGIH: TWA 200 ppm; STEL 250 ppm (Skin)
OSHA: TWA 200 ppm(260 mg/m3)
NIOSH: IDLH 6000 ppm; TWA 200 ppm(260 mg/m3); STEL 250 ppm(325 mg/m3)
LogP 0.750 (est)
CAS DataBase Reference 4637-24-5(CAS DataBase Reference)
FDA UNII DF7CTT5QPH
NIST Chemistry Reference Methanamine, 1,1-dimethoxy-N,N-dimethyl-(4637-24-5)
EPA Substance Registry System Methanamine, 1,1-dimethoxy-N,N-dimethyl- (4637-24-5)
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Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H317-H318-H332
Precautionary statements P210-P280-P302+P352-P304+P340+P312-P305+P351+P338+P310
Hazard Codes  F,Xn,Xi
Risk Statements  11-22-36/37/38-36/38-20-20/21/22-10-52
Safety Statements  16-26-36/37-36/37/39-33-29-7/9
RIDADR  UN 3271 3/PG 2
WGK Germany  1
F  21
Autoignition Temperature 155 °C
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29225000
Toxicity LD50 orally in Rabbit: > 5000 mg/kg
NFPA 704:
3
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