Sodium formate
- CAS No.
- 141-53-7
- Chemical Name:
- Sodium formate
- Synonyms
- SODIUM FORMAT;mravencansodny;formatedesodium;SODIUM FORMIATE;Mravencan sodny;E237;Formax;5.3-ABC;salachlor;HCOONA.2H2O
- CBNumber:
- CB7353022
- Molecular Formula:
- CHNaO2
- Molecular Weight:
- 68.01
- MOL File:
- 141-53-7.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/5/28 19:59:05
| Melting point | 259-262 °C (lit.) |
|---|---|
| Boiling point | 360 °C |
| Density | 1.16 g/mL at 20 °C |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 8 M at 20 °C, clear, colorless |
| pka | 3.86[at 20 ℃] |
| form | Crystalline Powder |
| color | White to off-white |
| Specific Gravity | 1.92 |
| Odor | Slight formic acid odour |
| PH Range | 7 - 8.5 |
| PH | 7.4(1 mM solution);7.83(10 mM solution);8.25(100 mM solution);8.57(1000 mM solution) |
| Water Solubility | Soluble |
| Sensitive | Hygroscopic |
| λmax |
λ: 260 nm Amax: 0.02 λ: 280 nm Amax: 0.01 |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| Merck | 14,8621 |
| BRN | 3595134 |
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids. Protect from moisture. |
| LogP | -2.1 at 20℃ |
| CAS DataBase Reference | 141-53-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Sodium methanoate(141-53-7) |
| EPA Substance Registry System | Sodium formate (141-53-7) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H335-H319 | |||||||||
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38-67-36 | |||||||||
| Safety Statements | 26-37/39-36-24/25 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | LR0350000 | |||||||||
| F | 3-9 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 2915 12 00 | |||||||||
| Toxicity | LD50 orally in Rabbit: > 3000 mg/kg | |||||||||
| NFPA 704 |
|
Sodium formate price More Price(26)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | 798630 | Sodium formate anhydrous, free-flowing, Redi-Dri?, ACS reagent, ≥99% | 141-53-7 | 500G | ₹4167.63 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 798630 | Sodium formate anhydrous, free-flowing, Redi-Dri?, ACS reagent, ≥99% | 141-53-7 | 100G | ₹4178.45 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 71539 | Sodium formate BioUltra, ≥99.0% (NT) | 141-53-7 | 500G | ₹6256.85 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 71539 | Sodium formate BioUltra, ≥99.0% (NT) | 141-53-7 | 1KG | ₹8324.43 | 2022-06-14 | Buy |
| Sigma-Aldrich | 67253 | Sodium formate analytical standard | 141-53-7 | 1G | ₹5369.2 | 2022-06-14 | Buy |
Sodium formate Chemical Properties,Uses,Production
Description
Sodium formate, HCOONa, is the sodium salt of formic acid, HCOOH. It usually appears as a white deliquescent powder.
Chemical Properties
white crystals
Physical properties
White crystals; slightly hygroscopic; faint odor of formic acid; density 1.92 g/cm3; melts at 253°C; decomposes on further heating, first forming sodium oxalate and hydrogen and then sodium carbonate; very soluble in water; the aqueous solution neutral, pH about 7; soluble in glycerol; slightly soluble in alcohol; insoluble in ether.
Uses
Sodium formate is used in several fabric dyeing and printing processes. It is also used as a buffering agent for strong mineral acids to increase their pH, and as a food additive ( E237 ) .
Preparation
Sodium formate can be prepared in the laboratory by neutralizing formic acid with sodium carbonate. It can also be obtained by reacting chloroform with an alcoholic solution of sodium hydroxide.
CHCl3 + 4NaOH → HCOONa + 3NaCl + 2H2O
or by reacting sodium hydroxide with chloral hydrate.
C2HCl3(OH)2 + NaOH → CHCl3 + HCOONa + H2O
The latter method is, in general, preferred to the former because the low aqueous solubility of CHCl3 makes it easier to separate out from the sodium formate solution, by fractional crystallization, than the soluble NaCl would be.
For commercial use, sodium formate is produced by absorbing carbon monoxide under pressure in solid sodium hydroxide at 160 °C.
CO + NaOH → HCOONa
Sodium formate may also be created via the haloform reaction between ethanol and sodium hypochlorite in the presence of a base.
Definition
ChEBI: An organic sodium salt which is the monosodium salt of formic acid.
General Description
Sodium formate is the colorless sodium salt of formic acid. It can be prepared by reacting formic acid with sodium hydroxide or carbonate. Its crystal structure has been investigated. Its crystals exhibit monoclinic-holohedral symmetry.
Safety Profile
Moderately toxic by ingestion, intravenous, and subcutaneous routes. Combustible when exposed to heat or flame. When heated to decomposition it emits toxic fumes of NazO. See also FORMIC ACID.
Purification Methods
A saturated aqueous solution at 90o (0.8mL water/g) is filtered and allowed to cool slowly. (The final temperature should be above 30o to prevent formation of the hydrate.) After two such crystallissations, the crystals are dried in an oven at 130o, then under high vacuum. [Westrum et al. J Phys Chem 64 1553 1960, Roecker & Meyer J Am Chem Soc 108 4066 1986.] The salt has also been recrystallised twice from 1mM DTPA (diethylenetriaminepentaacetic acid, which was recrystallised 4x from MilliQ water and dried in a vacuum), then twice from water [Bielski & Thomas J Am Chem Soc 109 7761 1987]. [Beilstein 2 IV 3.]
Sodium formate Preparation Products And Raw materials
Raw materials
Preparation Products
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