8.41124
Methylenediphosphonic acid
for synthesis
Synonym(s):
Methylenediphosphonic acid, Methanediphosphonic acid, Medronic acid
About This Item
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Product Name
Methylenediphosphonic acid, for synthesis
SMILES string
[Na+].[Na+].[P](=O)([O-])([O-])C[P](=O)(O)O
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
assay
≥97.0% (acidimetric)
form
powder
mp
200-205 °C
storage temp.
2-30°C
Quality Level
1 of 4
This Item | M9508 | 91957 | 64255 |
|---|---|---|---|
| assay ≥97.0% (acidimetric) | assay ≥99% | assay 99.0-101.0% (T) | assay - |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| mp 200-205 °C | mp 197-199 °C (lit.) | mp - | mp 197-199 °C (lit.), 201-205 °C |
| form powder | form crystals | form crystals | form powder |
| storage temp. 2-30°C | storage temp. −20°C | storage temp. - | storage temp. 2-8°C |
Analysis Note
Melting range (lower value): ≥ 198 °C
Melting range (upper value): ≤ 204 °C
Identity (IR): passes test
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1B
Storage Class
8A - Combustible, corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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