Disodium hydrogenorthophosphate
Suppliers
Names
[ CAS No. ]:
7558-79-4
[ Name ]:
Disodium hydrogenorthophosphate
[Synonym ]:
Disodium hydrogenorthophosphate
EINECS 231-448-7
disodium,hydrogen phosphate
MFCD00003496
Chemical & Physical Properties
[ Density]:
1.064 g/mL at 20 °C
[ Boiling Point ]:
158ºC at 760 mmHg
[ Melting Point ]:
243-245 °C
[ Molecular Formula ]:
HNa2O4P
[ Molecular Weight ]:
141.96
[ Exact Mass ]:
141.940781
[ PSA ]:
93.23000
[ Vapour density ]:
4.9 (vs air)
[ Storage condition ]:
Store at RT.
[ Stability ]:
Stable. Incompatible with strong acids. Hygroscopic.
[ Water Solubility ]:
>=10 g/100 mL at 20 ºC
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- WC4500000
- CAS REGISTRY NUMBER :
- 7558-79-4
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 11
- MOLECULAR FORMULA :
- H-O4-P.2Na
- MOLECULAR WEIGHT :
- 141.96
- WISWESSER LINE NOTATION :
- NA2 P-O-Q3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,16,1972
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,16,1972 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 17 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,16,1972
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- BIZEA2 Biochemische Zeitschrift. (Berlin, Ger.) V.1-346, 1906-67. For publisher information, see EJBCAI. Volume(issue)/page/year: 163,226,1925
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- BIZEA2 Biochemische Zeitschrift. (Berlin, Ger.) V.1-346, 1906-67. For publisher information, see EJBCAI. Volume(issue)/page/year: 163,226,1925
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intramuscular
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- BIZEA2 Biochemische Zeitschrift. (Berlin, Ger.) V.1-346, 1906-67. For publisher information, see EJBCAI. Volume(issue)/page/year: 163,226,1925
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1075 mg/kg
- TOXIC EFFECTS :
- Behavioral - tetany
- REFERENCE :
- HXPHAU Handbuch der Experimentellen Pharmakologie. (Berlin, Ger.) New series: V.1-49, 1935-78. For publisher information, see HEPHD2. Volume(issue)/page/year: 10,361,1950 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83514 No. of Facilities: 6564 (estimated) No. of Industries: 85 No. of Occupations: 60 No. of Employees: 57176 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83514 No. of Facilities: 21015 (estimated) No. of Industries: 166 No. of Occupations: 135 No. of Employees: 1230592 (estimated) No. of Female Employees: 912048 (estimated)
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36-S24/25
[ RIDADR ]:
UN 3077 9 / PGIII
[ WGK Germany ]:
3
[ RTECS ]:
WC4500000
[ HS Code ]:
2835220000
Customs
[ HS Code ]: 2835220000
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