CAS 7758-16-9|Disodium dihydrogen diphosphate

Introduction:Basic information about CAS 7758-16-9|Disodium dihydrogen diphosphate, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameDisodium dihydrogen diphosphate
CAS Number7758-16-9Molecular Weight221.93900
Density2.311 g/cm3 (25ºC)Boiling Point/
Molecular FormulaH2Na2O7P2Melting Point988ºC
MSDSChineseUSAFlash Point/
Symbol
GHS07
Signal WordWarning

Names

NameDisodium pytophosphate
SynonymMore Synonyms

Disodium dihydrogen diphosphate BiologicalActivity

DescriptionDisodium pyrophosphate (SAPP), a food additive, is an inorganic compound. Disodium pyrophosphate has potential hematotoxic and immunotoxic effects[1].
Related CatalogSignaling Pathways >>Others >>OthersResearch Areas >>Inflammation/Immunology
In VivoDisodium pyrophosphate (oral administration, 12.6 mg/kg) displays hematotoxic and immunotoxic effects with long-term exposure in rats[1]. Animal Model: Adult Sprague-Dawley rats[1] Dosage: 12.6 mg/kg Administration: Oral administration Result: Displayed significant leukopenic condition. Decreased in CD3 T-lymphocyte and CD20 Blymphocyte immunolabeling in rats. Downregulated of PPAR-α and PPAR-γ together with upregulation of TNF-α.
References

[1]. Yasmina M Abd-Elhakim, et al. Effects of the food additives sodium acid pyrophosphate, sodium acetate, and citric acid on hemato-immunological pathological biomarkers in rats: Relation to PPAR-α, PPAR-γ and tnfα signaling pathway. Environ Toxicol Pharmacol. 2018 Sep;62:98-106.

Chemical & Physical Properties

Density2.311 g/cm3 (25ºC)
Melting Point988ºC
Molecular FormulaH2Na2O7P2
Molecular Weight221.93900
Exact Mass221.90700
PSA149.57000
LogP0.06480
InChIKeyGYQBBRRVRKFJRG-UHFFFAOYSA-L
SMILESO=P([O-])(O)OP(=O)([O-])O.[Na+].[Na+]
StabilityStable.
Water SolubilityH2O: 0.1 M at 20 °C, clear, colorless

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UX6475000
CHEMICAL NAME :
Pyrophosphoric acid, disodium salt
CAS REGISTRY NUMBER :
7758-16-9
LAST UPDATED :
199707
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
H2-O7-P2.2Na
MOLECULAR WEIGHT :
221.94
WISWESSER LINE NOTATION :
NA2 P2-O3-Q2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2650 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,24,1957
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
480 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
59 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 7,445,1957
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ATDAEI Acute Toxicity Data. Journal of the American College of Toxicology, Part B. (Mary Ann Liebert, Inc., 1651 Third Ave., New York, NY 10128) V.1- 1990- Volume(issue)/page/year: 1,47,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M2309 No. of Facilities: 519 (estimated) No. of Industries: 15 No. of Occupations: 15 No. of Employees: 2961 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M2309 No. of Facilities: 2180 (estimated) No. of Industries: 41 No. of Occupations: 39 No. of Employees: 48188 (estimated) No. of Female Employees: 9570 (estimated)

Safety Information

Symbol
GHS07
Signal WordWarning
Hazard StatementsH319
Precautionary StatementsP305 + P351 + P338
Personal Protective EquipmentEyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard CodesXi
Risk Phrases36
Safety PhrasesS24/25
RIDADRNONH for all modes of transport
WGK Germany2
RTECSUX6475000
HS Code2835399000

Customs

HS Code2835399000

Articles31

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Synonyms

DISODIUM PYROPHOSPHATE
Disodium dihydrogen diphosphate
SAPP 28
SAPP
disodiumdiphosphate
DSPP
MFCD00014246
EINECS 231-835-0
SAPP 40
DisodiuM pytophospha
dinatriumpyrophosphat
Phosphonate, P,P'-oxybis-, sodium salt (1:2)
sodiumpyrophosphate,acid
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