difluorophosphorylmethane

Modify Date: 2025-08-27 17:15:30

difluorophosphorylmethane Structure
difluorophosphorylmethane structure
Common Name difluorophosphorylmethane
CAS Number 676-99-3 Molecular Weight 100.00400
Density 1.384 g/cm3 Boiling Point 98-99ºC
Molecular Formula CH3F2OP Melting Point -37ºC
MSDS N/A Flash Point N/A

 Names

Name difluorophosphorylmethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.384 g/cm3
Boiling Point 98-99ºC
Melting Point -37ºC
Molecular Formula CH3F2OP
Molecular Weight 100.00400
Exact Mass 99.98900
PSA 26.88000
LogP 1.74830
Index of Refraction 1.276

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TA1840700
CHEMICAL NAME :
Phosphonic difluoride, methyl-
CAS REGISTRY NUMBER :
676-99-3
BEILSTEIN REFERENCE NO. :
1739375
LAST UPDATED :
199701
DATA ITEMS CITED :
10
MOLECULAR FORMULA :
C-H3-F2-O-P
MOLECULAR WEIGHT :
100.01
WISWESSER LINE NOTATION :
OPFF1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1842 mg/m3/30M
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Skin and Appendages - dermatitis, other (after systemic exposure) Skin and Appendages - hair
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 15,131,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
13700 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1842 mg/m3/30M
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - muscle weakness Behavioral - ataxia
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 15,131,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
114 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1842 mg/m3/30M
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Lungs, Thorax, or Respiration - cyanosis Nutritional and Gross Metabolic - dehydration
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 15,131,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
25800 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
2608 mg/m3/30M
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Behavioral - aggression Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 15,131,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Primate - monkey
DOSE/DURATION :
26900 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1600 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 4,22,1984

 Safety Information

Risk Phrases 34-36/37/38
RIDADR UN 3265

 Synthetic Route

~%

difluorophosphorylmethane Structure

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CAS#:676-99-3

Literature: Granoth, Itshak; Segall, Yoffi; Waysbort, Daniel; Shirin, Ezra; Leader, Haim Journal of the American Chemical Society, 1980 , vol. 102, # 13 p. 4523 - 4525

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difluorophosphorylmethane Structure

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CAS#:676-99-3

Literature: Kellogg Co. Patent: US2882315 , 1954 ;

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difluorophosphorylmethane Structure

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CAS#:676-99-3

Literature: Kellogg Co. Patent: US2882315 , 1954 ;

~99%

difluorophosphorylmethane Structure

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CAS#:676-99-3

Literature: Dabkowski, Wojciech; Michalski, Jan; Wasiak, Jacek; Cramer, Friedrich Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1994 , # 7 p. 817 - 820

~%

difluorophosphorylmethane Structure

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CAS#:676-99-3

Detail
Literature: Belyalov, R. U.; Kibardin, A. M.; Gazizov, T. Kh.; Pudovik, A. N. J. Gen. Chem. USSR (Engl. Transl.), 1981 , vol. 51, # 1 p. 24 - 28,19 - 23

~%

difluorophosphorylmethane Structure

difluorophospho...

CAS#:676-99-3

Literature: Rasumow et al. Zhurnal Obshchei Khimii, 1958 , vol. 28, p. 194,195,196;engl.Ausg.S.194,195,196

~97%

difluorophosphorylmethane Structure

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CAS#:676-99-3

Literature: Waerme, Rikard; Juhlin, Lars Phosphorus, Sulfur and Silicon and the Related Elements, 2010 , vol. 185, # 12 p. 2402 - 2408

 Synonyms

methylphosphonicdifluorid
Methylphosphonyl difluoride
methylphosphonic acid difluoride
methylphosphonodifluoridate
Difluoromethylphosphine oxide
methylphosphonic difluoride
Difluoro
Methyl-phosphonsaeure-difluorid
Methyl difluorophosphite
Phosphonic difluoride,methyl
Phosphonodifluoridic acid,methyl
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