Silicic acid (H4SiO4),tetrakis(2-hydroxyethyl) ester cas no:17622-94-5

NameSilicic acid (H4SiO4),tetrakis(2-hydroxyethyl) ester
CAS17622-94-5
SynonymsEthyleneglycol, ester with silicic acid (H4SiO4) (4:1) (8CI); Silistren; Tetraglycolsilicate; Tetrakis(2-hydroxyethyl) orthosilicate; Tetrakis(2-hydroxyethyl)silicate; Tetrakis(b-hydroxyethyl) silicate
EINECS(EC#)241-598-5
Molecular FormulaC8H20 O8 Si
Molecular Weight272.37

refractive indexn20/D 1.44

Hazard Xn: Harmful;
Risk 22-36/37/38-62-63
Safety

Moderately toxic by intravenous route. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:
Xn: Harmful
Risk Statements about Ethylene glycol silicate (17622-94-5):
R22 Harmful if swallowed.
R62 Risk of impaired fertility. 
R63 Possible risk of harm to the unborn child.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about Ethylene glycol silicate (17622-94-5):
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45 In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S53 Avoid exposure - obtain special instructions before use.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.

1.

ivn-dog LDLo:568 mg/kg

BIJOAK    Biochemical Journal. 27 (1933),1007.