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868-85-9

868-85-9 structure
868-85-9 structure

Name Dimethyl phosphonate
Synonyms dimethyl H-phosphonate
Dimethylfosfit
Dimethyl phosphonate
dimethyl hydrogen phosphonate
Dimethylfosfonat
monomethyl methyl phosphonate
dimethylacidphosphite
phosphonic acid dimethyl ester
DIMETHYL PHOSPHITE
O,O-dimethyl phosphonate
(CH3O)2PHO
Phosphonic acid, dimethyl ester
Dimethylphosphit
EINECS 212-783-8
MFCD00044633
Density 1.2 g/mL at 25 °C(lit.)
Boiling Point 170.5±0.0 °C at 760 mmHg
Molecular Formula C2H7O3P
Molecular Weight 110.049
Flash Point 29.4±0.0 °C
Exact Mass 110.013283
PSA 59.00000
LogP -1.31
Vapour Pressure 1.9±0.3 mmHg at 25°C
Index of Refraction n20/D 1.402(lit.)
Stability Stable. Moisture sensitive. Incompatible with water, strong oxidizing agents, acid chlorides, strong bases.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ7710000
CHEMICAL NAME :
Phosphonic acid, dimethyl ester
CAS REGISTRY NUMBER :
868-85-9
LAST UPDATED :
199710
DATA ITEMS CITED :
30
MOLECULAR FORMULA :
C2-H7-O3-P
MOLECULAR WEIGHT :
110.06
WISWESSER LINE NOTATION :
1OPHO&O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3040 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>20 gm/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2970 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1831 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - other (direct) parasympathomimetic Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2610 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
900 mg/kg
TOXIC EFFECTS :
Autonomic Nervous System - other (direct) parasympathomimetic Lungs, Thorax, or Respiration - respiratory stimulation Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7500 mg/kg/15D-I
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
26 gm/kg/13W-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - corneal damage Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
30 gm/kg/15D-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
97500 mg/kg/13W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - chronic pulmonary edema Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
103 gm/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors
TYPE OF TEST :
Micronucleus test

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
250 mg/L
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year: 236,933,1987 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 48,85,1990 IARC Cancer Review:Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 48,85,1990 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-GERMANY;Carcinogen JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84136 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 41 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84136 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 1822 (estimated) No. of Female Employees: 272 (estimated)
Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Warning
Hazard Statements H317-H341-H351-H412
Precautionary Statements P273-P280
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes Xn:Harmful
Risk Phrases R10;R21;R36
Safety Phrases S26-S36/37
RIDADR UN 3278 6.1/PG 3
WGK Germany 1
RTECS SZ7710000
Packaging Group III
Hazard Class 3.2
HS Code 2920901300
HS Code 2920909090
Summary 2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%