Diethyl methylphosphonite
Also known as Methyldiethoxyphosphine, Phosphonous acid, methyl-, diethyl ester, Diethoxymethylphosphine
Key facts
What buyers check first
- CAS number
- 15715-41-0
- Formula
- C5H13O2P
- Molar mass
- 136.13 g/mol
- EC number
- 239-805-9
- HS code
- 293149
- Category
- Sulfur and phosphorus compounds
What is Diethyl methylphosphonite?
Plain description, key identifiers and synonyms
This material has many uses, including as a chemical weapon precursor.
Identifiers
Registry numbers, names and line notations, tap to copy
- IUPAC name
- diethoxy(methyl)phosphane
- CAS number
- 15715-41-0 CAS number cross-checked
- EC number
- 239-805-9
- Molecular formula
- C5H13O2P
- MDL number
- MFCD00009089
- InChIKey
- NSSMTQDEWVTEKN-UHFFFAOYSA-N
- InChI
- InChI=1S/C5H13O2P/c1-4-6-8(3)7-5-2/h4-5H2,1-3H3
- SMILES (canonical and isomeric)
- CCOP(C)OCC
Synonyms
- Methyldiethoxyphosphine
- Phosphonous acid, methyl-, diethyl ester
- Diethoxymethylphosphine
- Diethyl methanephosphonite
- Phosphonous acid, P-methyl-, diethyl ester
- diethoxy(methyl)phosphane
- O,O-Diethyl methylphosphonite
- Diethyl Methylphosphonite (~90%)
- diethylmethylphosphonite
- methyl diethoxyphosphine
- Diethyl methylphosphonite, 97%
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 136.13 g/molcalc.Computed value |
|---|---|
| Exact mass | 136.0653 Dacalc.Computed value |
| LogP (octanol/water) | 2calc.Computed value |
| Topological polar surface area | 18.46 Ųcalc.Computed value |
| Hydrogen bond donors | 0calc.Computed value |
| Hydrogen bond acceptors | 2calc.Computed value |
| Rotatable bonds | 4calc.Computed value |
| Heavy atoms | 8calc.Computed value |
| Rings | 0calc.Computed value |
| Aromatic rings | 0calc.Computed value |
| Fraction sp3 carbons | 1calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
| Lipinski rule of five | Passes (0 violations)calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Safety and hazards
GHS classification summary, not a safety data sheet
Hazard statements
- H226Flammable liquid and vapour.
- H301Toxic if swallowed.
- H302Harmful if swallowed.
- H311Toxic in contact with skin.
- H315Causes skin irritation.
- H319Causes serious eye irritation.
- H330Fatal if inhaled.
Precautionary statements (33)
- P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P233Keep container tightly closed.
- P240Ground and bond container and receiving equipment.
- P241Use explosion-proof electrical, ventilating and lighting equipment.
- P242Use non-sparking tools.
- P243Take action to prevent static discharges.
- P260Do not breathe dust, fume, gas, mist, vapours or spray.
- P262Do not get in eyes, on skin, or on clothing.
- P264Wash skin thoroughly after handling.
- P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
- P270Do not eat, drink or smoke when using this product.
- P271Use only outdoors or in a well-ventilated area.
- P280Wear protective gloves, protective clothing, eye protection and face protection.
- P284In case of inadequate ventilation wear respiratory protection.
- P301 + P316If swallowed: Get emergency medical help immediately.
- P301 + P317If swallowed: Get medical help.
- P302 + P352If on skin: Wash with plenty of water.
- P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
- P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
- P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P316Get emergency medical help immediately.
- P320Specific treatment is urgent (see supplemental first aid instructions on the label).
- P321Specific treatment (see supplemental first aid instructions on the label).
- P330Rinse mouth.
- P332 + P317If skin irritation occurs: Get medical help.
- P337 + P317If eye irritation persists: Get medical help.
- P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
- P362 + P364Take off contaminated clothing. And wash it before reuse.
- P370 + P378In case of fire: Use appropriate media to extinguish.
- P403 + P233Store in a well-ventilated place. Keep container tightly closed.
- P403 + P235Store in a well-ventilated place. Keep cool.
- P405Store locked up.
- P501Dispose of contents and container in accordance with local regulations.
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
Full safety data and first aidDiethyl methylphosphonite suppliers
Controlled substance, listings of documented suppliers only, in the documented ranking
Diethyl methylphosphonite is controlled. Only documented suppliers can list it, and buyers must upload a valid licence with their request. Every request is reviewed before suppliers see it.
Licensed buyers only, every enquiry is reviewed by our compliance team.
Reference: OPCW Chemical Weapons Convention Schedule 2
Our policy on controlled substancesLicensed buyers can post a request for Diethyl methylphosphonite with their licence. Our compliance team reviews it before suppliers see it.
Diethyl methylphosphonite price
Indicative price range per kg from live supplier offers
Suppliers quote this chemical on request. Send one free request and compare quotes side by side.
Uses and applications
What the substance is used for, by industry and function
Industries and functions
Regulatory status
Inventories, regulations and trade controls that list this substance
Diethyl methylphosphonite is controlled. Only documented suppliers can list it, and buyers must upload a valid licence with their request. Every request is reviewed before suppliers see it.
Licensed buyers only, every enquiry is reviewed by our compliance team.
Reference: OPCW Chemical Weapons Convention Schedule 2
Our policy on controlled substancesControls
- Chemical Weapons Convention Schedule 2
United States
- TSCA inventory (USA)Status: Inactive in US commerce
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Diethyl methylphosphonite is traded under.
Non-halogenated organo-phosphorous derivatives, other
- China54.9%
- United States25.4%
- Germany5.1%
- United States20.9%
- Argentina14.9%
- Brazil14.3%
The HS code shown for Diethyl methylphosphonite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Salt and hydrate forms
Records that share this compound as their parent
Same formula isomers
Different compounds that share this molecular formula
Frequently asked questions
Quick answers about Diethyl methylphosphonite, based on the data on this page
What is Diethyl methylphosphonite?
What is the CAS number of Diethyl methylphosphonite?
What is the molecular formula and weight of Diethyl methylphosphonite?
What is Diethyl methylphosphonite used for?
Is Diethyl methylphosphonite hazardous?
What is the HS code of Diethyl methylphosphonite?
Can I buy Diethyl methylphosphonite on CompoundList?
Guides for buyers
Practical guides that help when you source, ship or handle Diethyl methylphosphonite
- Guide, SafetyHow to read a safety data sheet in 10 minutesA section by section method to pull the essentials out of any 16 section SDS: identity, hazards, composition, storage, PPE, properties, transport and emergency measures.Read
- Guide, SafetyGHS pictograms, signal words and hazard statements explainedA practical guide to the nine GHS pictograms, the signal words Danger and Warning, H and P statements, and how to read a chemical label in seconds.Read
- Guide, Trade and logisticsHS codes for chemicals and why they matterHow the Harmonized System classifies chemicals, the chapters that matter, the rules for chemically defined compounds and mixtures, and practical steps to find the right code.Read
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