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Adipic acid CAS#124-04-9
CAS Number: 124-04-9
Chemical Formula: C6H10O4
Synonyms:
DICARBOXYLIC ACID C6
BUTANE-1,4-DICARBOXYLIC ACID
1,4-BUTANEDICARBOXYLIC ACID
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: White Solid
Adipic acid CAS#124-04-9
Adipic acid is a crystalline powder with practically no odor. It has the lowest acidity of any of the acids commonly used in foods and has excellent buffering capacity in the range of pH 2.5 to 3.0. Like succinic and fumaric acid, adipic acid is practically nonhygroscopic. Its addition to foods imparts a smooth, tart taste. In grape-flavored products, it adds a lingering supplementary flavor and gives an excellent set to food powders containing gelatin. As a result, adipic acid has found a wide number of uses as an accidulant in dry powdered food mixtures, especially in those products having delicate flavors and where addition of tang to the flavor is undesirable.Its aqueous solutions have the lowest acidity of any of the common food acids. For concentrations from 0.5 to 2.4 g/100 mL, the pH of its solution varies less than half a unit. Hence, it can be used as a buffering agent to maintain acidities within the range of 2.5 to 3.0. This is highly desirable in certain foods, yet the pH is low enough to inhibit the browning of most fruits and other foodstuffs.
| Adipic acid Chemical Properties |
| Melting point | 151-154 °C(lit.) |
| Boiling point | 265 °C100 mm Hg(lit.) |
| bulk density | 700kg/m3 |
| density | 1,36 g/cm3 |
| vapor density | 5 (vs air) |
| vapor pressure | 1 mm Hg ( 159.5 °C) |
| refractive index | 1.4880 |
| FEMA | 2011 | ADIPIC ACID |
| Fp | 385 °F |
| storage temp. | Store below +30°C. |
| solubility | methanol: 0.1 g/mL, clear, colorless |
| pka | 4.43(at 25℃) |
| form | Solid |
| color | White |
| Odor | wh. monoclinic prisms, pract. odorless |
| PH | 3.74(1 mM solution);3.22(10 mM solution);2.71(100 mM solution); |
| biological source | synthetic |
| Water Solubility | 1.44 g/100 mL (15 ºC) |
| Merck | 14,162 |
| JECFA Number | 623 |
| BRN | 1209788 |
| Dielectric constant | 1.8（Ambient） |
| Exposure limits | ACGIH: TWA 5 mg/m3 |
| Stability: | Stable. Substances to be avoided include ammonia, strong oxidizing agents. |
| Cosmetics Ingredients Functions | FRAGRANCE BUFFERING |
| InChIKey | WNLRTRBMVRJNCN-UHFFFAOYSA-N |
| LogP | 0.09 at 25℃ |
| CAS DataBase Reference | 124-04-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Hexanedioic acid(124-04-9) |
| EPA Substance Registry System | Adipic acid (124-04-9) |
| Safety Information |
| Hazard Codes | Xi |
| Risk Statements | 36-41 |
| Safety Statements | 26-39-24/25 |
| RIDADR | UN3077 |
| WGK Germany | 1 |
| RTECS | AU8400000 |
| Autoignition Temperature | 788 °F |
| TSCA | Yes |
| HazardClass | 9 |
| HS Code | 29171210 |
| Hazardous Substances Data | 124-04-9(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 5700 mg/kg LD50 dermal Rabbit > 7940 mg/kg |
Product Application of Adipic acid CAS#124-04-9
Adipic Acid is an acidulant and flavoring agent. it is characterized as stable, nonhygroscopic, and slightly soluble, with a water solubility of 1.9 g/100 ml at 20°c. it has a ph of 2.86 at 0.6% usage level at 25°c. it is used in powdered drinks, beverages, gelatin desserts, loz- enges, and canned vegetables. it is also used as a leavening acidulant in baking powder. it can be used as a buffering agent to maintain acidities within a range of ph 2.5–3.0. it is occasionally used in edi- ble oils to prevent rancidity.
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