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CAS No.: | 1338-24-5 |
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Name: | Naphthenic acid |
Molecular Structure: | |
Formula: | C10H18O2 |
Molecular Weight: | 170.2487 |
Synonyms: | Acidol(petroleum by-product);Carboxylic acids, naphthenic;ISAN 185;NA 165;NA 200(acid);NS 130;NS 160;NY 160;NY 200;SNA 180;SNA 185;SP230;Sunaptic B;Tensioactiv N; |
EINECS: | 215-662-8 |
Density: | 0.972 g/cm3 |
Boiling Point: | 268.2 °C at 760 mmHg |
Flash Point: | 127.4 °C |
Solubility: | insoluble in water |
Appearance: | clear yellowish to brown viscous liquid |
Hazard Symbols: | Xi,Xn |
Risk Codes: | 36/37/38-51/53 |
Safety: | 26-36-61 |
Transport Information: | UN 3082 9/PG 3 |
PSA: | 37.30000 |
LogP: | 1.42730 |
IUPAC Name: 3-(3-Ethylcyclopentyl)propanoic acid
Empirical Formula: C10H18O2
Molecular Weight: 170.2487
Canonical SMILES: CCC1CCC(C1)CCC(=O)O
InChI: InChI=1S/C10H18O2/c1-2-8-3-4-9(7-8)5-6-10(11)12/h8-9H,2-7H2,1H3,(H,11,12)
InChIKey: WVRFSLWCFASCIS-UHFFFAOYSA-N
Index of Refraction: 1.459
Molar Refractivity: 47.9 cm3
Molar Volume: 174.9 cm3
Surface Tension: 36.4 dyne/cm
Density: 0.972 g/cm3
Flash Point: 127.4 °C
Enthalpy of Vaporization: 55.73 kJ/mol
Boiling Point: 268.2 °C at 760 mmHg
Vapour Pressure: 0.00223 mmHg at 25 °C
FreezingPoint -30 - -36 °C
EINECS: 215-662-8
Classification Code of Naphthenic acid (CAS NO.1338-24-5): TSCA UVCB
Naphthenic acid is a complex of carboxylic acids.It is used in deicing, dust control, wood preservative and road stabilization. It's industrial applications include the production of metallic naphthenates, synthetic detergents and as a solvents. as a lubricant, Corrosion inhibitor and fuel additive.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
rat | LD50 | intraperitoneal | 640mg/kg (640mg/kg) | BEHAVIORAL: FOOD INTAKE (ANIMAL) GASTROINTESTINAL: PERITONITIS | AMA Archives of Industrial Health. Vol. 12, Pg. 477, 1955. |
rat | LD50 | oral | 3gm/kg (3000mg/kg) | BEHAVIORAL: FOOD INTAKE (ANIMAL) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" GASTROINTESTINAL: OTHER CHANGES | AMA Archives of Industrial |
Reported in EPA TSCA Inventory.
Moderately toxic by ingestion and intraperitoneal routes. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: Xi,N
Risk Statements: 36/37/38-51/53
R36/37/38:Irritating to eyes, respiratory system and skin.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 26-36-61
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 3082 9/PG 3
WGK Germany :2
RTECS: QK8750000
Naphthenic acid (CAS NO.1338-24-5), its Synonyms are Acide naphtenique ; Agenap ; Carboxylic acids, naphthenic ; Sunaptic acid B ; Sunaptic acid C ; Naphthenic acids . It is a dark colored liquid with an offensive odor .