DHA-S
Sodium dehydroacetate
CAS: 4418-26-2
Molecular Formula: C8H7NaO4
DHA-S - Names and Identifiers
DHA-S - Physico-chemical Properties
| Molecular Formula | C8H7NaO4 |
| Molar Mass | 190.13 |
| Density | 1.499[at 20℃] |
| Melting Point | ~295°C (dec.) |
| Boling Point | 332.6°C at 760 mmHg |
| Flash Point | 150.6°C |
| Water Solubility | Soluble in water, propylene glycol and methanol. Insoluble in acetone and benzene. |
| Solubility | Easily soluble in water, propylene glycol and glycerin, hardly soluble in organic solvents such as ethanol |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | White crystalline powder |
| Color | White to yellow |
| BRN | 4893653 |
| pKa | 5.36[at 20 ℃] |
| PH | 8.8-9.3 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| MDL | MFCD00040583 |
| Physical and Chemical Properties | White or nearly white crystalline powder. No odor, slightly special taste. The melting point was 109-110 °c. Soluble in water (1g/3 m1), propylene glycol (1g/2 m1) and glycerol (1g/7 m1). Slightly soluble in ethanol (1%) and acetone (0.2%). Light resistance and heat resistance are good. The aqueous solution was still stable at 120 C for 2H. The aqueous solution is neutral or slightly alkaline. |
| Use | Used as food additives, preservatives, fungicides |
DHA-S - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | UP8225000 |
| TSCA | Yes |
| HS Code | 29322980 |
| Toxicity | LD50 orally in Rabbit: 500 mg/kg |
DHA-S - Upstream Downstream Industry
| Raw Materials | Sodium bicarbonate Dehydroacetic acid |
DHA-S - Reference
| Reference Show more | 1. Li Xiaohong, Luo Hongxia, Li Ronghui, etc. Antimicrobial effect of organic acid salts in lactic acid fermentation of silage [J]. Journal of Anhui Agricultural University, 2018, 045(003):416-421. 2. [IF = 4.952] Aiyu Qu et al."Investigation of gas-producing bacteria in sufu and its effective method to control their growth." Lwt Food Sci Technol. 2022 Feb;155:112919 |
DHA-S - Reference Information
| LogP | -4.38 at 20℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| properties | this product is white or light yellow, odorless, tasteless, soluble in water, insoluble in organic matter such as ethanol. Melting point is 190°C, light resistance and heat resistance are good. The solution was heated at 120°C for 2 hours and remained stable. The aqueous solution is neutral or slightly alkaline. Using instant spray drying into powder, the product has high purity, stable quality, reliability, and high purity up to more than 98%. Low water content (below 2.6%). |
| introduction | sodium dehydroacetate is a broad-spectrum food preservative with strong antibacterial power, which has strong inhibitory ability to mold and yeast. Under the same addition amount, the antibacterial effect is higher than that of sodium benzoate, potassium sorbate several times or even dozens of times. What is particularly valuable is that it has little inhibitory effect on acid-producing bacteria, especially lactic acid bacteria. According to the relevant national standards and the US FCC recommendation, it is suitable for anti-corrosion and anti-mold of fermented bean curd, assorted pickles, pickles, sauerkraut, raw fruit juice, concentrated fruit juice, fruit wine, cheese, cream, margarine, yoghurt, lactic acid beverage, carbonated beverage, bean paste, bread, moon cake, cakes, sweet noodle sauce, canned food, condiment, health care products, cosmetics and other products. Especially for lactic acid beverages, kimchi, sauerkraut, pickles and other products that need to inhibit other harmful bacteria as much as possible but less beneficial lactic acid bacteria, |
| use | sodium dehydroacetate is an antibacterial agent with high safety, wide antibacterial range and strong antibacterial ability. It is less affected by the pH value in food, and can maintain high antibacterial effect under acidic or slightly alkaline conditions. Its antibacterial ability is better than sodium benzoate, potassium sorbate, calcium propionate, etc. It is an ideal food preservative. Preservative; Anti-mold agent. Used as food additive, preservative, fungicide |
| content analysis | accurately weigh the sample about 500mg, move it into a 125ml conical flask, add 25ml glacial acetic acid, and contain 1 drop of glacial acetic acid solution containing 1% p-naphthol benzene pre-neutralized to blue. Titration with 0.1mol/L perchloric acid to original blue. 0.1mol/L perchloric acid per ml is equivalent to 19.01mg of sodium dehydroacetate (C8H7NaO4). |
| toxicity | LD50 0.57 g/kg (rat, oral);LD501175mg/kg (mouse, oral). Can be safely used in food (FDA, 172.130,2000). |
| use limit | FDA § 172.130(2000): chopped or skinned soft fish, 65 mg/kg. FDA,§ 180.159(2000,mg/kg): maximum residue, banana 30, peeled banana pulp 10, strawberry 65. Japan (calculated by dehydroacetic acid): cheese, cream, margarine 0.5 g/kg (0.61g of this product). GB 2760-2002: Soup (seasoning, instant soup), cakes (including cakes, moon cakes, fillings, etc.),0.5 g/kg. |
| production method | is obtained by neutralizing dehydroacetic acid with sodium hydroxide. |
| spontaneous combustion temperature | 360°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:01:54
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Raw Materials for DHA-S