04103
meta-Phosphoric acid
100%, lumps (glassy)
Synonym(s):
Metaphosphoric acid
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About This Item
Linear Formula:
(HPO3)n
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
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form
lumps (glassy)
composition
(HPO3)n, 40-50%
(NaPO3)n, 50-60%
impurities
≤0.001% heavy metals (as Pb)
anion traces
chloride (Cl-): ≤20 mg/kg
cation traces
As: ≤5 mg/kg
Fe: ≤100 mg/kg
SMILES string
OP(=O)=O
OP(=O)=O
InChI
1S/HO3P/c1-4(2)3/h(H,1,2,3)
InChI key
UEZVMMHDMIWARA-UHFFFAOYSA-N
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Application
meta-Phosphoric acid can be used as a dehydrating agent in chemical synthesis.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Wolfgang Brockner et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 58(9), 1911-1914 (2002-08-08)
SbPO4 was synthesized via a new route by reacting antimony metal with meta-phosphoric acid, (HPO3)n at high temperatures. The Raman and IR spectra of the title compound were recorded and the vibrational modes assigned on the basis of a factor
Etching of GaN using phosphoric acid.
Shintani A and Minagawa S.
Journal of the Electrochemical Society, 123(5), 706-713 (1976)
B Baghbanzadeh-Nobari et al.
Journal of animal physiology and animal nutrition, 101(5), e266-e277 (2016-11-22)
The effects of supplementing ewe diets with either DL-methionine (DL-Met) or 2-hydroxy-4 (methylthio) butanoic acid isopropyl ester (HMBi) were investigated on ruminal in situ degradability of grain and forage diets, in vivo digestibility, rumen fermentation, blood metabolites and antioxidant status. Six ruminally
Victor Pinheiro Feitosa et al.
Journal of dentistry, 41(11), 1068-1080 (2013-09-03)
To compare the effects of two etching procedures using meta-phosphoric (MPA) or ortho-phosphoric acid (OPA) on dentine demineralisation, resin-dentine bonds durability and interface nanoleakage/ultra-morphology. Middle-dentine specimens were etched using 37% OPA (15s) or 40% MPA (60s) and submitted to infrared
M K Dutt
Microscopica acta, 85(2), 175-179 (1981-11-01)
This communication presents a new quick method for selective extraction of RNA from formalin-fixed tissues, such as kidney, intestine, ovary and testis of white rat and liver of rodents, Tatera indica and Millardia meltada and of the frog, Rana tigrina
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