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239275

Sigma-Aldrich

meta-Phosphoric acid

ACS reagent, chips, 33.5-36.5%

Synonyme(s) :

Metaphosphoric acid

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About This Item

Formule linéaire :
(HPO3)n
Numéro CAS:
37267-86-0
Numéro MDL:
MFCD00011351
Code UNSPSC :
12352106
ID de substance PubChem :
329752524
Nomenclature NACRES :
NA.21

Qualité

ACS reagent

Niveau de qualité

200

Forme

chips

Contient

57.0-63.0% sodium phosphite as stabilizer

Concentration

33.5-36.5%

Densité

2 g/cm3

Traces d'anions

MnO4- reducers: ≤0.02%
chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.001%
sulfate (SO42-): ≤0.005%

Traces de cations

As: ≤1 ppm
Fe: ≤0.005%
heavy metals: ≤0.005% (by ICP)

Chaîne SMILES 

OP(=O)=O

InChI

1S/HO3P/c1-4(2)3/h(H,1,2,3)

Clé InChI

UEZVMMHDMIWARA-UHFFFAOYSA-N

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Description générale

meta-Phosphoric acid is a polymer form of phosphoric acid. It is used as a catalyst as well as a reactant in chemical synthesis.

Application

meta-Phosphoric acid can be used as:      
  • A catalyst in combination with InCl3 to synthesize 1,8-dioxooctahydroxanthene derivatives by the reaction of cyclic β-diketones and aldehydes.      
  • A phosphate precursor to synthesize antimony phosphate (SbPO4) by reacting with antimony metal at high temperatures.

Pictogrammes

Corrosion
GHS05

Mention d'avertissement

Danger

Mentions de danger

H314

Classification des risques

Eye Dam. 1 - Skin Corr. 1

Code de la classe de stockage

8B - Non-combustible corrosive hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
BCCM4021
BCCM4018
BCCM4020
BCCM1467
BCCM1466

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

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Alicia Madurga et al.
American journal of physiology. Lung cellular and molecular physiology, 306(7), L684-L697 (2014-02-11)
Arrested alveolarization is the pathological hallmark of bronchopulmonary dysplasia (BPD), a complication of premature birth. Here, the impact of systemic application of hydrogen sulfide (H2S) on postnatal alveolarization was assessed in a mouse BPD model. Exposure of newborn mice to
Chand Basha Davuljigari et al.
International journal of molecular sciences, 22(11) (2021-07-03)
Acrylamide is a well characterized neurotoxicant known to cause neuropathy and encephalopathy in humans and experimental animals. To investigate the role of nuclear factor erythroid 2-related factor 2 (Nrf2) in acrylamide-induced neuropathy, male C57Bl/6JJcl adult mice were exposed to acrylamide
Namakkal Soorappan Rajasekaran et al.
Antioxidants & redox signaling, 14(6), 957-971 (2010-12-04)
Inheritable missense mutations in small molecular weight heat-shock proteins (HSP) with chaperone-like properties promote self-oligomerization, protein aggregation, and pathologic states such as hypertrophic cardiomyopathy in humans. We recently described that human mutant αB-crystallin (hR120GCryAB) overexpression that caused protein aggregation cardiomyopathy
Sellamuthu S Gounder et al.
PloS one, 7(9), e45697-e45697 (2012-10-03)
Aging promotes accumulation of reactive oxygen/nitrogen species (ROS/RNS) in cardiomyocytes, which leads to contractile dysfunction and cardiac abnormalities. These changes may contribute to increased cardiovascular disease in the elderly. Inducible antioxidant pathways are regulated by nuclear erythroid 2 p45-related factor
Shouan Zhu et al.
Connective tissue research, 61(1), 34-47 (2019-09-17)
Purpose: An underlying cause of osteoarthritis (OA) is the inability of chondrocytes to maintain homeostasis in response to changing stress conditions. The purpose of this article was to review and experimentally evaluate oxidative stress resistance and resilience concepts in cartilage
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