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8.41124

Sigma-Aldrich

Methylenediphosphonic acid

for synthesis

Synonym(s):

Methylenediphosphonic acid, Methanediphosphonic acid, Medronic acid

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About This Item

Empirical Formula (Hill Notation):
CH6O6P2
CAS Number:
Molecular Weight:
176.00
MDL number:
UNSPSC Code:
12352106
EC Index Number:
217-851-0
NACRES:
NA.22

Quality Level

Assay

≥97.0% (acidimetric)

form

powder

mp

200-205 °C

storage temp.

2-30°C

InChI

1S/CH6O6P2.2Na/c2-8(3,4)1-9(5,6)7;;/h1H2,(H2,2,3,4)(H2,5,6,7);;/q;2*+1/p-2

InChI key

RXSYPQBNTPQOTQ-UHFFFAOYSA-L

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Melting range (lower value): ≥ 198 °C
Melting range (upper value): ≤ 204 °C
Identity (IR): passes test

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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