1698-60-8

Name Poly (acrylic acid-co-hypophosphite) sodium salt
CAS 1698-60-8
EINECS(EC#) 216-920-2
Molecular Formula CH3O2P
MDL Number MFCD00055402
Molecular Weight 78.01
MOL File 1698-60-8.mol
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Chemical Properties

Melting point  198-200°C
Boiling point  312.2±52.0 °C(Predicted)
density  1.4884 (rough estimate)
refractive index  1.5330 (estimate)
storage temp.  0-6°C
solubility  Chloroform (Slightlly), DMSO (Sparingly), Methanol (Slightly)
form  neat
pka 0.71±0.20(Predicted)
color  Pale-yellowish solid
Water Solubility  0.3g/L(20 ºC)
BRN  397241
InChI InChI=1S/C10H8ClN3O/c11-9-8(12)6-13-14(10(9)15)7-4-2-1-3-5-7/h1-6H,12H2
InChIKey WYKYKTKDBLFHCY-UHFFFAOYSA-N
SMILES C1(=O)N(C2=CC=CC=C2)N=CC(N)=C1Cl
LogP 1.140
CAS DataBase Reference 1698-60-8(CAS DataBase Reference)
EPA Substance Registry System Pyrazon (1698-60-8)

Safety Data

Hazard Codes  Xi,N
Risk Statements 
R43:May cause sensitization by skin contact.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S24:Avoid contact with skin .
S37:Wear suitable gloves .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  3077
WGK Germany  2
RTECS  UR6125000
TSCA  TSCA listed
HS Code  2933.99.8290
HazardClass  IRRITANT
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Aquatic Acute 1
Aquatic Chronic 1
Skin Sens. 1
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. A severe eye irritant. Experimental reproductive effects. Used as a preemergence and early post-emergence herbicide. When heated to decomposition it emits very toxic fumes of Cland NOx.
Hazardous Substances Data 1698-60-8(Hazardous Substances Data)
Toxicity
LD50 orl-rat: 647 mg/kg FAATDF 7,299,86

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