Diisopropyl hydrogen phosphite

Modify Date: 2026-07-06 20:05:17

Diisopropyl hydrogen phosphite Structure
Diisopropyl hydrogen phosphite structure
 Common Name Diisopropyl hydrogen phosphite
CAS Number 1809-20-7 Molecular Weight 166.155
Density 0.997 Boiling Point 195.5±9.0 °C at 760 mmHg
Molecular Formula C6H15O3P Melting Point N/A
MSDS N/A Flash Point 90.3±12.9 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Diisopropyl phosphite
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 0.997
Boiling Point 195.5±9.0 °C at 760 mmHg
Molecular Formula C6H15O3P
Molecular Weight 166.155
Flash Point 90.3±12.9 °C
Exact Mass 166.075882
PSA 52.28000
LogP 0.45
Vapour Pressure 0.6±0.4 mmHg at 25°C
Index of Refraction 1.4065-1.4085
Water Solubility soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SZ7660000
CHEMICAL NAME :
Phosphonic acid, diisopropyl ester
CAS REGISTRY NUMBER :
1809-20-7
BEILSTEIN REFERENCE NO. :
1703675
LAST UPDATED :
199701
DATA ITEMS CITED :
13
MOLECULAR FORMULA :
C6-H15-O3-P
MOLECULAR WEIGHT :
166.18
WISWESSER LINE NOTATION :
1Y1&OPHO&OY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1700 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 :
9600 mg/m3
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1590 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 - mouse
DOSE/DURATION :
9085 mg/m3
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5700 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 - guinea pig
DOSE/DURATION :
9010 mg/m3
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
1500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2074 mg/kg/61D-I
TOXIC EFFECTS :
Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6188 mg/kg/26W-I
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
5 mg/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 28,405,1975 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 4 mg/m3 JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1834 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 50 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xn:Harmful;
Risk Phrases R22;R36/37/38
Safety Phrases S37/39-S26
RIDADR 3265
RTECS SZ7660000
HS Code 2920909090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Preparation

This table records publicly available preparation methods, process key points and operation references.

1809-20-7 preparation

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2920901900
Summary 2920901900 VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Diisopropyl phosphonate
Phosphonic acid, bis(1-methylethyl) ester
Diisopropyl hydrogen phosphite
MFCD00117905
o,o-diisopropylphosphite
Phosphonic Acid Diisopropyl Ester
EINECS 217-317-7
dipropan-2-yl phosphonate
isopropylphosphonate
Diisopropylphosphine oxide
o,o-diisopropylphosphonate
O,O-Diisopropyl phosphonate
3P-230
DI-I-PROPYLPHOSPHITE
Phosphorous Acid Diisopropyl Ester

 Diisopropyl hydrogen phosphite | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of Diisopropyl phosphite?
A: Polar surface area (PSA) of Diisopropyl phosphite is 52.28000.
Q: What English synonyms does Diisopropyl phosphite have?
A: English synonyms of Diisopropyl phosphite: Diisopropyl phosphonate, Phosphonic acid, bis(1-methylethyl) ester, Diisopropyl hydrogen phosphite, MFCD00117905, o,o-diisopropylphosphite, Phosphonic Acid Diisopropyl Ester, EINECS 217-317-7, dipropan-2-yl phosphonate, isopropylphosphonate, Diisopropylphosphine oxide, o,o-diisopropylphosphonate, O,O-Diisopropyl phosphonate, 3P-230, DI-I-PROPYLPHOSPHITE, Phosphorous Acid Diisopropyl Ester.
Q: How is Diisopropyl phosphite prepared?
A: Preparation method for Diisopropyl phosphite: .
Q: What is the English name of Diisopropyl phosphite?
A: The English name of Diisopropyl phosphite is Diisopropyl phosphite.
Q: What is the LogP of Diisopropyl phosphite?
A: LogP of Diisopropyl phosphite is 0.45.
Q: What is the safety information for Diisopropyl phosphite?
A: Safety information for Diisopropyl phosphite: S37/39-S26.
Q: What is the boiling point of Diisopropyl phosphite?
A: Boiling point of Diisopropyl phosphite is 195.5±9.0 °C at 760 mmHg.
Q: What is the molecular formula of Diisopropyl phosphite?
A: Molecular formula of Diisopropyl phosphite is C6H15O3P.
Q: What is the molecular weight of Diisopropyl phosphite?
A: Molecular weight of Diisopropyl phosphite is 166.155.
Q: What is the CAS number of Diisopropyl phosphite?
A: CAS number of Diisopropyl phosphite is 1809-20-7.

 Diisopropyl hydrogen phosphitefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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