OCTADECANEDIOIC ACID
OCTADECANEDIOIC ACID
CAS: 871-70-5
Molecular Formula: C18H34O4
OCTADECANEDIOIC ACID - Names and Identifiers
| Name | OCTADECANEDIOIC ACID |
| Synonyms | Octadecandisure OCTADECANEDIOIC ACID 1,18-Octadecanedioic acid Hexadecanedicarboxylic acid 1,16-HEXADECANEDICARBOXYLIC ACID Octadecane-1,18-dicarboxylic acid |
| CAS | 871-70-5 |
OCTADECANEDIOIC ACID - Physico-chemical Properties
| Molecular Formula | C18H34O4 |
| Molar Mass | 314.46 |
| Density | 0.998±0.06 g/cm3(Predicted) |
| Melting Point | 125°C |
| Boling Point | 480.9±18.0 °C(Predicted) |
| Appearance | Morphological Liquid |
| pKa | 4.48±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Physical and Chemical Properties | Bioactive Octadecanedioic acid is an endogenous metabolite, a long-chain dicarboxylic acid, which has been found in serum free fatty acids of Reyes's syndrome. |
| Use | Uses Long chain dibasic acid has a very wide range of uses. Long chain dibasic acid can be used as raw material to synthesize special nylon, high-grade perfume, high-grade hot melt adhesive, cold-resistant plasticizer, high-grade lubricating oil, high-grade antirust agent, high-grade paint and coating, etc. |
OCTADECANEDIOIC ACID - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24 - Avoid contact with skin. |
| HS Code | 38231100 |
OCTADECANEDIOIC ACID - Upstream Downstream Industry
| Downstream Products | Octadecanedioic acid, 1-methyl ester DIMETHYL OCTADECANEDIOATE |
OCTADECANEDIOIC ACID - Nature
| EPA chemical information | Octadecanedioic acid (871-70-5) |
Last Update：2024-04-09 20:52:54
OCTADECANEDIOIC ACID - Uses and synthesis methods
Introduction
Decoctanedioic acid is an important chemical raw material and belongs to a kind of long-chain dibasic acid. Long-chain dibasic acid has a very wide range of uses. Long-chain dibasic acid can be used as raw material to synthesize special nylon, high-grade spices, high-grade hot melt adhesives, cold-resistant plasticizers, high-grade lubricants, high-grade rust inhibitors, high-grade paints and coatings.
application
Decoctanedioic acid is an acid derivative that can be used as a pharmaceutical intermediate.
method of synthesis
Long-chain dibasic acids can usually be synthesized by chemical or biological methods.
refined purification
a method for refining and purifying decadane diacid: in a 3000L dissolution and decolorization reaction kettle, 2000L of 98% acetic acid solution, 630kg of crude decadane diacid and 6kg of activated carbon are put into a 3000L dissolution and decolorization reaction kettle, and the decadane diacid solution obtained by filtering through a four-stage filtration system of a dark flow plate and frame filter press, a bag filter, a metal titanium rod filter and a laminated filter enters the crystallization kettle, in the crystallization kettle, the temperature is rapidly and uniformly cooled to 80 ℃, the cooling water is turned off, the temperature is naturally lowered to 75 ℃, the decadane diacid with purity greater than 99.8% is added as seed crystal, the stirring speed is controlled to 40r /min, the temperature in the crystallization kettle bounce back to 77 ℃, and then gradually decreases. When the temperature naturally drops to 69 ℃, the cooling water is slowly opened, and the cooling speed is controlled from slow to fast, and finally the temperature is lowered to 25 ℃, the whole cooling process controls the cooling time for 6~8 hours. The crystallization liquid is centrifuged and used when the filtrate is prepared for mother liquor recovery. The filter cake is left in the centrifuge and washed with 300L acetic acid solution of 98% purity. After the leaching is completed, centrifugation is performed for 15 minutes, and the filtrate is prepared for production cycle as solvent in the feeding step. Then use 2000L of non-ionized water to rinse the filter cake in the centrifuge, centrifuge for 15 minutes after rinsing, and use the filtrate for mother liquor recovery. The filter cake with 86% solid content of the material is obtained. The filter cake is mixed with 1200L of non-ionized water, pumped into a room temperature water washing tank, 800L of non-ionized water is added, stirred for half an hour, centrifuged and filtered, and the filtrate is prepared for production cycle leaching centrifuge. The filter cake is dried by a double cone vacuum dryer to obtain 546kg of refined decatane diacid. Neutralization titration was used to measure total acid content 99.82%, gas chromatography was used to measure monoacid content 99.38%, total nitrogen content 12ppm, iron ion content 0.6ppm, ash content 10ppm, and moisture content 0.16%. The comprehensive purification yield is 98.57%. The filtrate obtained by centrifugal separation of the crystallization liquid is mixed with the filtrate produced by the aqueous phase leaching centrifuge, then the temperature is raised to 85 ℃, then the temperature is lowered to 25 ℃ for recrystallization, and 75kg of crude decadane diacid is obtained by plate and frame filtration and vacuum drying.
Target
Human Endogenous Metabolite
Last Update：2024-04-09 21:54:55
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View History
OCTADECANEDIOIC ACID
2-异吲哚-1,3-二酮-4-硼酸频哪醇酯
N-丁磺酰基-(4-(4-吡啶基)丁基)-L-酪氨酸盐酸盐水合物
2-[(4,6-DIMETHYLPYRIMIDIN-2-YL)THIO]-N-(3-METHYLPHENYL)ACETAMIDE
2-Ethoxycinnamic Acid
DIMETHYL OCTADECANEDIOATE
二(三苯基膦)二乙酸钯(II)PD>14.3
2-异吲哚-1,3-二酮-4-硼酸频哪醇酯
N-丁磺酰基-(4-(4-吡啶基)丁基)-L-酪氨酸盐酸盐水合物
2-[(4,6-DIMETHYLPYRIMIDIN-2-YL)THIO]-N-(3-METHYLPHENYL)ACETAMIDE
2-Ethoxycinnamic Acid
DIMETHYL OCTADECANEDIOATE
二(三苯基膦)二乙酸钯(II)PD>14.3
Downstream Products for OCTADECANEDIOIC ACID