-
Name
Metaphosphoric acid
- EINECS 253-433-4
- CAS No. 37267-86-0
- Density 2.2 g/cm3
- Solubility Decomposes in water. Soluble in alcohol.
- Melting Point 21 °C
- Formula HO3P
- Boiling Point 158 °C
- Molecular Weight 79.98
- Flash Point
- Transport Information UN 3260 8/PG 3
- Appearance transparent glass-like solid
- Safety 26-36/37/39-45
- Risk Codes 34
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Molecular Structure
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Hazard Symbols
C
- Synonyms hydroxy(oxo)phosphoniumolate;hydridohydroxidodioxidophosphate(1-);hydrogenphosphonate;meta-Phosphoric acid;phosphonate(1-);Phosphoric acid meta;Phosphoric acid, (meta);
- PSA 88.51000
- LogP 0.06660
Metaphosphoric acid Specification
The Metaphosphoric acid(HPO3) (7CI,8CI,9CI), with the CAS registry number 37267-86-0 and EINECS registry number 253-433-4, has the systematic name of Hydroxy(oxo)phosphoniumolate. It belongs to the product category of UVCBs-inorganic. It is a kind of stable transparent glass-like solid which is incompatible with strong bases and most metals. And the molecular formula of the chemical is HO3P.
The characteristics of Metaphosphoric acid(HPO3) (7CI,8CI,9CI) are as followings: (1)XLogP3-AA -1.2 ; (2)H-Bond Donor 1 ; (3)H-Bond Acceptor 3 ; (4)Rotatable Bond Count 0 ; (5)Exact Mass 79.96633; (6)MonoIsotopic Mass 79.96633; (7)Topological Polar Surface Area 54.4; (8)Heavy Atom Count 4; (9)Formal Charge 0; (10)Complexity 46.2; (11)Isotope Atom Count 0; (12)Defined Atom StereoCenter Count 0; (13)Undefined Atom StereoCenter Count 0; (14)Defined Bond StereoCenter Count 0; (15)Undefined Bond StereoCenter Count 0; (16)Covalently-Bonded Unit Count 1; (17)Feature 3D Acceptor Count 3; (18)Effective Rotor Count 0; (19)Conformer Sampling RMSD 0.4; (20)CID Conformer Count 1.
You should be cautious while dealing with this chemical. It may cause burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: [O-][PH2+](=O)O
(2)InChI: InChI=1/HO3P/c1-4(2)3/h(H,1,2,3)
(3)InChIKey: UEZVMMHDMIWARA-UHFFFAOYAW
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