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8.41124

Sigma-Aldrich

Methylenediphosphonic acid

for synthesis

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Synonym(s):
Methylenediphosphonic acid, Methanediphosphonic acid, Medronic acid
Empirical Formula (Hill Notation):
CH6O6P2
CAS Number:
Molecular Weight:
176.00
MDL number:
EC Index Number:
217-851-0

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

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M9508642551.00103
Methylenediphosphonic acid for synthesis

8.41124

Methylenediphosphonic acid

Methylenediphosphonic acid ≥99%

M9508

Methylenediphosphonic acid

Methylenediphosphonic acid for molecular studies & mass spectrometry

64255

Methylenediphosphonic acid

Amidosulfuric acid for analysis EMSURE®

1.00103

Amidosulfuric acid

Quality Level

200

Quality Level

-

Quality Level

200

Quality Level

300

form

powder

form

crystals

form

powder

form

solid

mp

200-205 °C

mp

197-199 °C (lit.)

mp

197-199 °C (lit.), 201-205 °C

mp

205 °C (decomposition)

storage temp.

2-30°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-30°C

Analysis Note

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

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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