Water

CAS No. 7732-18-5

Formula: H2O
Basic Info

Formula
H2O
Molecular Weight
18.0153
Exact Mass
18.0106
LogP
-0.0643
PSA
9.23
Synonyms

Water,purified

Distilled water

Water vapor

Dihydrogen Monoxide

Dihydrogen oxide

Diprotium oxide

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Properties
Appearance & Physical State
colourless liquid
Density
1
Boiling Point
100ºC
Melting Point
0 ºC
Flash Point
100ºC
Refractive Index
1.329
Stability
Stable. Incompatible with reactive metals.
Storage Condition
2-8ºC
Vapor Density
<1 (vs air)
Vapor Pressure
3 mm Hg ( 37 °C)
Safety Info
RTECS
WB4900000
Safety Statements
S26
WGK Germany
1
Risk Statements
R36/38
HS Code
3303000000
RIDADR
UN 1824 8/PG 2
Hazard Codes
Spectrum
Mass Spectrum Mass spectrum (electron ionization)
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Toxicity
ACUTE TOXICITY DATA
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Type of Test
TDLo - Lowest published toxic dose
Exposure Route
Oral
Species Observed
Human - infant
Dose/Duration
333 gm/kg
Toxic Effects
Behavioral--convulsions or effect on seizure threshold<br>Gastrointestinal--hypermotility, diarrhea<br>Nutritional and Gross Metabolic--body temperature increase
Reference
Archives of Disease in Childhood. (British Medical Journal, POB 560B, Kennebunkport, ME 04046) V.1- 1926- Volume(issue)/page/year: 54,551,1979
ACUTE TOXICITY DATA
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Type of Test
TDLo - Lowest published toxic dose
Exposure Route
Oral
Species Observed
Human - man
Dose/Duration
42.86 gm/kg
Toxic Effects
Behavioral--tremor<br>Behavioral--muscle contraction or spasticity
Reference
Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 29,135,1926
ACUTE TOXICITY DATA
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Type of Test
LDLo - Lowest published lethal dose
Exposure Route
Rectal
Species Observed
Human - woman
Dose/Duration
180 gm/kg/28H
Toxic Effects
Sense Organs and Special Senses (Eye)--mydriasis (pupillary dilation)<br>Behavioral--convulsions or effect on seizure threshold<br>Gastrointestinal--nausea or vomiting
Reference
JAMA, Journal of the American Medical Association. (AMA, 535 N. Dearborn St., Chicago, IL 60610) V.1- 1883- Volume(issue)/page/year: 104,1569,1935
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