Heavy water

Modify Date: 2025-08-21 10:28:19

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

Name	dideuterium oxide
Synonym	More Synonyms

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
InChIKey	XLYOFNOQVPJJNP-ZSJDYOACSA-N
SMILES	O
Stability	Stable. Hygroscopic.

Heavy water MSDS(Chinese)

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

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

Precursor 9
CAS#:80937-33-3 oxygen CAS#:16873-17-9 deuterium(•) CAS#:6909-54-2 deuterium peroxide CAS#:7732-18-5 Water
CAS#:14940-63-7 deuterium hydro... CAS#:920-42-3 (2H2)Formic acid CAS#:201230-82-2 carbon monoxide CAS#:124-38-9 Carbon dioxide
CAS#:13587-52-5 nitric acid-d
DownStream 7
CAS#:14940-63-7 deuterium hydro... CAS#:7732-18-5 Water CAS#:34322-11-7 hydrogen peroxide CAS#:6909-54-2 deuterium peroxide
CAS#:14104-45-1 deuterium iodide CAS#:3996-15-4 Sodium (2H)formate CAS#:13550-49-7 ammonia-d3

Consumption of clarified grapefruit juice ameliorates high-fat diet induced insulin resistance and weight gain in mice.

PLoS ONE 9(10) , e108408, (2014)

To determine the metabolic effects of grapefruit juice consumption we established a model in which C57Bl/6 mice drank 25-50% sweetened GFJ, clarified of larger insoluble particles by centrifugation (c...

pH dependence of the stress regulator DksA.

PLoS ONE 10(3) , e0120746, (2015)

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...

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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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Heavy water
Price: Check
Purity: 99.95%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Heavy water
Price: ￥1128.0/100g ￥Inquiry/1mg ￥398.0/25g ￥Inquiry/1mg
Purity: 98.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Deuterium oxide
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: DEUTERIUM OXIDE ULTRA-D
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Heavy water

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HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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