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239275

Sigma-Aldrich

meta-Phosphoric acid

ACS reagent, chips, 33.5-36.5%

Sinonimo/i:

Metaphosphoric acid

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About This Item

Formula condensata:
(HPO3)n
Numero CAS:
37267-86-0
Numero MDL:
MFCD00011351
Codice UNSPSC:
12352106
ID PubChem:
329752524
NACRES:
NA.21

Grado

ACS reagent

Livello qualitativo

200

Forma fisica

chips

contiene

57.0-63.0% sodium phosphite as stabilizer

Concentrazione

33.5-36.5%

Densità

2 g/cm3

Anioni in tracce

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

Cationi in tracce

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

Stringa SMILE

OP(=O)=O

InChI

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

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Descrizione generale

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

Applicazioni

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.

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H314

Classi di pericolo

Eye Dam. 1 - Skin Corr. 1

Codice della classe di stoccaggio

8B - Non-combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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