Heavy water

Modify Date: 2024-01-02 12:50:55

Heavy water Structure
Heavy water structure
Common Name Heavy water
CAS Number 7789-20-0 Molecular Weight 20.028
Density 1.0±0.1 g/cm3 Boiling Point 100.0±9.0 °C at 760 mmHg
Molecular Formula D2O Melting Point 3.8 °C(lit.)
MSDS Chinese USA Flash Point 101.4°C

 Names

Name dideuterium oxide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 100.0±9.0 °C at 760 mmHg
Melting Point 3.8 °C(lit.)
Molecular Formula D2O
Molecular Weight 20.028
Flash Point 101.4°C
Exact Mass 20.023117
PSA 9.23000
LogP -1.38
Vapour Pressure 24.5±0.3 mmHg at 25°C
Index of Refraction 1.329
Stability Stable. Hygroscopic.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ZC0230000
CHEMICAL NAME :
Water, heavy (D2-O)
CAS REGISTRY NUMBER :
7789-20-0
LAST UPDATED :
199701
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
D2-O
MOLECULAR WEIGHT :
20.02

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
840 gm/kg
SEX/DURATION :
male 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)
REFERENCE :
NATUAS Nature. (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736) V.1- 1869- Volume(issue)/page/year: 208,1119,1965
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3360 gm/kg
SEX/DURATION :
female 56 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 127,1445,1958
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2940 gm/kg
SEX/DURATION :
male 49 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
REFERENCE :
ECREAL Experimental Cell Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.10- 1950- Volume(issue)/page/year: 50,306,1968
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1680 gm/kg
SEX/DURATION :
male 28 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)
REFERENCE :
ANYAA9 Annals of the New York Academy of Sciences. (New York Academy of Sciences, 2 E. 63rd St., New York, NY 10021) V.1- 1877- Volume(issue)/page/year: 84,763,1960

 Safety Information

Hazard Codes Xi
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS ZC0230000

 Synthetic Route

 Articles367

More Articles
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pH dependence of the stress regulator DksA.

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DksA controls transcription of genes associated with diverse stress responses, such as amino acid and carbon starvation, oxidative stress, and iron starvation. DksA binds within the secondary channel ...

Classification of a Proteus penneri clinical isolate with a unique O-antigen structure to a new Proteus serogroup, O80.

Carbohydr. Res. 407 , 131-6, (2015)

Proteus penneri is an opportunistic pathogen, which may cause severe diseases, most frequently urinary tract infections in immunocompromised patients. P. penneri Br 114 exhibiting a good swarming grow...

 Synonyms

D2O
DEUTERATED WATER
Heavy water (D2O)
Water,heavy (D2-O)
Water(sup 2)-H2
EINECS 232-148-9
(H)Water
D2O (water-d2)
Heavy water
Heavy water-d2
Water, heavy
Water-d
Dideuterium oxide
Water-d2
MFCD00044636
Deuterium oxide
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