Disodium phosphate dodecahydrate

Modify Date: 2025-08-20 10:45:49

Disodium phosphate dodecahydrate Structure
Disodium phosphate dodecahydrate structure
 Common Name Disodium phosphate dodecahydrate
CAS Number 10039-32-4 Molecular Weight 358.142
Density 1,52 g/cm3 Boiling Point 158ºC at 760 mmHg
Molecular Formula H25Na2O16P Melting Point 35 °C
MSDS USA Flash Point N/A

 Use of Disodium phosphate dodecahydrate


Phosphoric acid disodium dodecahydrate (Sodium phosphate dibasic dodecahydrate), as a food additive, can be used to improve the texture of food[1].

 Names

Name Sodium phosphate dibasic dodecahydrate
Synonym More Synonyms

 Disodium phosphate dodecahydrate Biological Activity

Description Phosphoric acid disodium dodecahydrate (Sodium phosphate dibasic dodecahydrate), as a food additive, can be used to improve the texture of food[1].
Related Catalog
References

[1]. Chen J, et al. The gelation behavior of thiolated citrus high-methoxyl pectin induced by sodium phosphate dibasic dodecahydrate. Carbohydr Polym. 2022;277:118849.

 Chemical & Physical Properties

Density 1,52 g/cm3
Boiling Point 158ºC at 760 mmHg
Melting Point 35 °C
Molecular Formula H25Na2O16P
Molecular Weight 358.142
Exact Mass 358.067566
PSA 203.99000
Index of Refraction 1.429
Water Solubility 218 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TC5725000
CHEMICAL NAME :
Phosphoric acid, disodium salt, dodecahydrate
CAS REGISTRY NUMBER :
10039-32-4
LAST UPDATED :
199109
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
H-O4-P.2Na.12H2-O
MOLECULAR WEIGHT :
358.20
WISWESSER LINE NOTATION :
NA2 P-O-Q3 &QH 12

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
430 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 257,791,1963

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Safety Phrases S24/25
RIDADR UN 3077 9 / PGIII
WGK Germany 1
RTECS TC5725000
HS Code 2835220000

 Customs

HS Code 2835220000

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 Synonyms

Disodium hydrogen phosphate dodecahydrate
Sodium Phosphate Dibasic
EINECS 600-088-6
Sodium phosphate
Sodium hydrogen phosphate hydrate (2:1:12)
disodium,hydrogen phosphate,dodecahydrate
MFCD00149181
Disodium phosphate dodecahydrate
Sodium phosphate,dibasic dodecahydrate
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