ChemicalBook > CAS DataBase List > METHYLPHOSPHONIC ACID
METHYLPHOSPHONIC ACID
- Product Name
- METHYLPHOSPHONIC ACID
- CAS No.
- 993-13-5
- Chemical Name
- METHYLPHOSPHONIC ACID
- Synonyms
- METHANEPHOSPHONIC ACID;NSC 119358;METHYLPHOSPHONIC ACID;Phosphonic acid, methyl-;Methylphosphonicacid,98%;Methanephosphonic acid,98%;Phosphonic acid, P-methyl-;Methylphosphonic acid ,97.5%;Methanephosphonic acid, 98% 5GR;Methanephosphonic acid, 98% 25GR
- CBNumber
- CB8201298
- Molecular Formula
- CH5O3P
- Formula Weight
- 96.02
- MOL File
- 993-13-5.mol
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METHYLPHOSPHONIC ACID Property
- Melting point:
- 105-107 °C(lit.)
- Boiling point:
- 265.2±23.0 °C(Predicted)
- Density
- 1.495±0.06 g/cm3(Predicted)
- vapor pressure
- 0Pa at 20℃
- storage temp.
- -20°C
- solubility
- H2O: soluble2.88 g in 30 mL, clear, colorless
- form
- Crystalline Powder
- pka
- pK1:2.38;pK2:7.74 (25°C)
- color
- White to off-white
- PH
- 0.9-1.4
- Water Solubility
- Soluble in water and alcohol.
- Sensitive
- Hygroscopic
- λmax
- λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04 - BRN
- 1739372
- Stability:
- Stable. Incompatible with strong oxidizing agents, strong bases.
- LogP
- -1.556 at 20℃
- EPA Substance Registry System
- Phosphonic acid, P-methyl- (993-13-5)
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Safety
- Hazard Codes
- C,T,F
- Risk Statements
- 22-34-39/23/24/25-23/24/25-11
- Safety Statements
- 26-36/37/39-45-36/37-16-7
- RIDADR
- UN 3261 8/PG 2
- WGK Germany
- 3
- F
- 10
- HazardClass
- 8
- PackingGroup
- II
- HS Code
- 29310099
- Hazardous Substances Data
- 993-13-5(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 289868
- Product name
- Methylphosphonic acid
- Purity
- 98%
- Packaging
- 1g
- Price
- $49.2
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 289868
- Product name
- Methylphosphonic acid
- Purity
- 98%
- Packaging
- 5g
- Price
- $82.8
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A12619
- Product name
- Methylphosphonic acid, 98%
- Packaging
- 1g
- Price
- $25.6
- Updated
- 2023/06/20
Alfa Aesar
- Product number
- A12619
- Product name
- Methylphosphonic acid, 98%
- Packaging
- 5g
- Price
- $71.5
- Updated
- 2023/06/20
Sigma-Aldrich
- Product number
- 40941
- Product name
- Methylphosphonic acid
- Purity
- 99.0-101.0% (T)
- Packaging
- 100mg
- Price
- $78
- Updated
- 2024/03/01
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METHYLPHOSPHONIC ACID Chemical Properties,Usage,Production
Chemical Properties
white crystals or flakes
Uses
Organic synthesis.
Uses
Methylphosphonic acid is used to produce methyl-phosphonic acid dichloride by chlorination.
Definition
ChEBI: Methylphosphonic acid is a one-carbon compound that is phosphonic acid in which the hydrogen attached to the phosphorus is substituted by a methyl group. It is a one-carbon compound and a member of phosphonic acids. It is functionally related to a phosphonic acid. It is a conjugate acid of a methylphosphonate(1-).
Application
Methylphosphonic acid is used in the production of lubricant additives and for treating textiles.
Flammability and Explosibility
Not classified
Purification Methods
Methylphosphonic acid [993-13-5] M 96.0, m 104-106o, 105-107o, 108o, pK 1 2.12, pK 2 7.29. If it tests for Cl-, then add H2O and evaporate to dryness, repeat several times till free from Cl-. The residue solidifies to a wax-like solid. Alternatively, dissolve the acid in the minimum volume of H2O, add charcoal, warm, filter and evaporate to dryness in a vacuum over P2O5. [Kosolapoff J Am Chem Soc 75 3379 1953.] The di-Na salt is prepared from 24g of acid in 50mL of dry EtOH, and a solution of 23g Na dissolved in 400mL EtOH is added. A white precipitate is formed, but the mixture is refluxed for 30minutes to complete the reaction. Filter off the solid and recrystallise it from 50% EtOH. Dry the crystals in a vacuum desiccator. [Thompson J Chem Soc 3292 1952, Beilstein 4 IV 3498.]
METHYLPHOSPHONIC ACID Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from METHYLPHOSPHONIC ACID manufacturers
Career Henan Chemica Co
- Product
- METHYLPHOSPHONIC ACID 993-13-5
- Price
- US $1.00/g
- Min. Order
- 1g
- Purity
- 98%
- Supply Ability
- 1ton
- Release date
- 2020-10-28
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