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| CAS No.: | 830-81-9 |
|---|---|
| Name: | 1-Naphthyl acetate |
| Molecular Structure: | |
|
|
|
| Formula: | C12H10O2 |
| Molecular Weight: | 186.21 |
| Synonyms: | 1-Naphthalenol,acetate (9CI);1-Naphthol, acetate (6CI,8CI);1-Acetoxynaphthalene;Acetic acid 1-naphthyl ester;NSC 9846;Naphthalen-1-yl acetate;a-Acetoxynaphthalene;a-Naphthol acetate;a-Naphthyl acetate; |
| EINECS: | 212-599-8 |
| Density: | 1.155 g/cm3 |
| Melting Point: | 43-46 °C(lit.) |
| Boiling Point: | 310 °C at 760 mmHg |
| Flash Point: | 110.4 °C |
| Solubility: | dioxane: 0.1 g/mL, clear, colorless |
| Appearance: | white to light yellowish or slightly pink |
| Hazard Symbols: |
 T, Xi
|
| Risk Codes: | 41-39/23/24/25-23/24/25-10 |
| Safety: | 26-39-24/25-22-45-36/37-16 |
| Transport Information: | UN 1993 3/PG 3 |
| PSA: | 26.30000 |
| LogP: | 2.76510 |
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Chemistry
IUPAC Name: Naphthalen-1-yl acetate
CAS: 830-81-9
Formula: C12H10O2
Molecular weight: 186.21
Molecular structure of Naphthalen-1-yl acetate (830-81-9):
Index of Refraction: 1.603
Molar Refractivity: 55.43 cm3
Molar Volume: 161.1 cm3
Polarizability: 21.97 10-24cm3
Surface Tension: 42.9 dyne/cm
Density: 1.155 g/cm3
Flash Point: 110.4 °C
Enthalpy of Vaporization: 55.08 kJ/mol
Boiling Point: 310 °C at 760 mmHg
Vapour Pressure: 0.000618 mmHg at 25°C
Water Solubility: 216.9(mg/L) at 25°C
Appearance: white to light yellowish or slightly pink
Product Categories: intermediates of dyes and pigments;aromatic esters;cytochemistry products;hematology and histology.
Toxicity Data With Reference
| 1. | sce-hmn:lym 10 mg/L | MUREAV Mutation Research. 241 (1990),109. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Safety Information about Naphthalen-1-yl acetate (830-81-9):
Hazard Codes:
T: 
Xi: 
Risk Statements about Naphthalen-1-yl acetate (830-81-9):
R:10 Flammable.
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed.
R39/23/24/25: Toxic: danger of very serious irreversible effects through inhalation, in contact with skin and if swallowed.
R41: Risk of serious damage to eyes.
Safety Statements about Naphthalen-1-yl acetate (830-81-9):
S16: Keep away from sources of ignition - No smoking.
S22: Do not breathe dust.
S24/25: Toxic by inhalation and if swallowed.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37: Irritating to eyes and respiratory system.
S39: Wear eye/face protection.
S45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
F10: Keep under argon.
F21: Sensitive to humidity.
RIDADR: UN 1993 3/PG 3
WGK Germany: 3
Specification
The chemical synonyms of Naphthalen-1-yl acetate (830-81-9) are 1-Acetoxynaphthalene ; 1-Naphthalenol, acetate ; 1-Naphthalenol,acetate ; 1-Naphthol, acetate ; 1-Naphthol,acetate ; 1-Naphthylacetae ; Aceticacidnaphthalen-1-ylester ; Alpha-naphtholacetate .With this product is α-esterase hydrolysis, precipitation of α-naphthol in 0.05M phosphate buffer solution of nitrogen salts in the formation of numerous color azo dyes, used in the enzyme histochemistry piperidine α-enzyme enzyme measured. Are also used as intermediate in organic synthesis.If contact with skin or eyes,flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.If inhaled or ingested.Get medical aid. Wash mouth out with water.Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.Handling and Storage: Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.Keep container closed when not in use. Keep refrigerated. (Store below 4°C/39°F.).