V0T0004
Phosphoric acid
technical grade
Synonym(s):
Orthophosphoric acid
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About This Item
Linear Formula:
H3PO4
CAS Number:
Molecular Weight:
98.00
EC Number:
231-633-2
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1921286
eCl@ss:
38070202
grade
technical grade
vapor density
3.4 (vs air)
vapor pressure
2.2 mmHg ( 20 °C), 5 mmHg ( 25 °C)
bp
158 °C (lit.)
mp
~40 °C (lit.)
density
1.685 g/mL at 25 °C (lit.)
SMILES string
OP(O)(O)=O
InChI
1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChI key
NBIIXXVUZAFLBC-UHFFFAOYSA-N
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Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Amit Kumar Sinha et al.
PloS one, 9(4), e95319-e95319 (2014-04-18)
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Annals of anatomy = Anatomischer Anzeiger : official organ of the Anatomische Gesellschaft, 200, 126-133 (2015-05-02)
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Science translational medicine, 7(313), 313ra181-313ra181 (2015-11-13)
Pulmonary alveolar microlithiasis (PAM) is a rare, autosomal recessive lung disorder associated with progressive accumulation of calcium phosphate microliths. Inactivating mutations in SLC34A2, which encodes the NPT2b sodium-dependent phosphate cotransporter, has been proposed as a cause of PAM. We show
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