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Substance Name: Trimethyl phosphite
RN: 121-45-9
UNII: 26Q0321ZDG
InChIKey: CYTQBVOFDCPGCX-UHFFFAOYSA-N
Molecular Formula
- C3-H9-O3-P
Molecular Weight
- 124.075
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
Classification Codes
- Reproductive Effect
- Skin / Eye Irritant
Superlist Classification Code
- TWA (2 ppm)
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Names and Synonyms
Name of Substance
- Trimethyl phosphite
Synonyms
- AI3-60394
- EC 204-471-5
- EINECS 204-471-5
- Fosforyn trojmetylowy
- Fosforyn trojmetylowy [Czech]
- HSDB 1007
- NSC 6513
- Trimethoxyfosfin
- Trimethoxyfosfin [Czech]
- Trimethoxyphosphine
- Trimethyl phosphite
- Trimethylfosfit
- Trimethylfosfit [Czech]
- UNII-26Q0321ZDG
Systematic Names
- Phosphorous acid, trimethyl ester
- Trimethyl phosphite
Superlist Names
- Phosphorous acid, trimethyl ester
- Trimethyl phosphite
- Trimethyl phosphite [UN2329] [Flammable liquid]
- Trimethylphosphite
- UN2329
Registry Numbers
CAS Registry Number
- 121-45-9
FDA UNII
- 26Q0321ZDG
System Generated Number
- 0000121459
Structure Descriptors
InChI
InChI=1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3InChIKey
CYTQBVOFDCPGCX-UHFFFAOYSA-NSmiles
COP(OC)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
guinea pig | LC | inhalation | > 32700mg/m3/6 (32700mg/m3) | SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) | National Technical Information Service. Vol. OTS0537047, |
mouse | LCLo | inhalation | 32700mg/m3/6H (32700mg/m3) | SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE | National Technical Information Service. Vol. OTS0537047, |
mouse | LD50 | intraperitoneal | 4180mg/kg (4180mg/kg) | Environmental Research. Vol. 9, Pg. 1, 1975. | |
mouse | LD50 | oral | 4280mg/kg (4280mg/kg) | BEHAVIORAL: ATAXIA BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | National Technical Information Service. Vol. OTS0540442, |
rabbit | LD50 | skin | 2600mg/kg (2600mg/kg) | American Industrial Hygiene Association Journal. Vol. 34, Pg. 286, 1973. | |
rat | LCLo | inhalation | 32700mg/m3/6H (32700mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE | National Technical Information Service. Vol. OTS0537047, |
rat | LD50 | oral | 1600mg/kg (1600mg/kg) | Albright & Wilson Inc. Vol. #OPB-3, Pg. 1984, |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Boiling Point | 111.5 | deg C | EXP | |
log P (octanol-water) | -0.730 | (none) | EST | |
Water Solubility | 7200 | mg/L | 25 | EST |
Vapor Pressure | 18.7 | mm Hg | 25 | EST |
Henry's Law Constant | 1.07E-05 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 8.36E-12 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.