1,2-ethylenediphosphonic acid

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Names

[ CAS No. ]:
6145-31-9

[ Name ]:
1,2-ethylenediphosphonic acid

[Synonym ]:
1,2-Ethanediphosphonic acid
ethane-1,2-diylbis(phosphonicacid)
ethane-1,2-diphosphonic acid
1,2-Ethanebisphosphonic acid
1,2-Ethanediylbisphosphonic acid
ethane-1,2-diyldiphosphonic acid
1,2-ethylene diphosphonic acid
Phosphonic acid,ethylenedi
ethylene diphosphonic acid
1,2-ethylenbis(phosphonic acid)

Chemical & Physical Properties

[ Density]:
2.011g/cm3

[ Boiling Point ]:
532.789ºC at 760 mmHg

[ Melting Point ]:
217-221ºC

[ Molecular Formula ]:
C2H8O6P2

[ Molecular Weight ]:
190.02900

[ Flash Point ]:
276.021ºC

[ Exact Mass ]:
189.98000

[ PSA ]:
134.68000

[ Appearance of Characters ]:
solid

[ Index of Refraction ]:
1.583

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ7903000
CHEMICAL NAME :
Phosphonic acid, 1,2-ethanediylbis-
CAS REGISTRY NUMBER :
6145-31-9
BEILSTEIN REFERENCE NO. :
1780250
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C2-H8-O6-P2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 39,380,1991

Safety Information

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN3261

[ RTECS ]:
SZ7903000

[ Packaging Group ]:
II

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • tetraethyl ethylenediphosphonate
  • tetra-iso-propyl ester of ethylidenediphosphonic acid
  • Hydrochloric acid
  • ethylenebis(phenyl phosphonate)

DownStream

  • TETRAMETHYL ETHYLENEDIPHOSPHONATE

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Related Compounds

  • 1,2-Ethylenediphosphonic acid tetraisopropyl ester
  • 1,2-Benzenedicarboxylic acid, monoethenyl ester, homopolymer
  • 1,2-Cyclopropanedicarboxylic acid
  • 1, 2-Benzenedicarboxylic acid, 3,4,5,6-tetrachloro-, monoethyl ester
  • 1,2-Ethanedisulfonic acid, compd. with 5-isobutyl-4-methylthiazole (1: 2)
  • 1,2-Cyclopropanedicarboxylic acid, 1-(4-methylphenyl)-