Page 114 - Handbook of Hazardous Chemical Properties

104 DECAHYDRONAPHTHALENE

be helpful immediately following exposure and in the absence of symptoms; Tonicity by Inhalation
(Threshold Limit Value): 0.05 ppm; Short-Term Exposure Limits: Data not available; Toxicity by
Ingestion: Grade 4; LD,,=40 mg/kg (mouse); Late Toxicity: Data not available; Vapor (Gas) Irritant
Characteristics: Data not available; Liquid or Solid Irritant Characteristics: Data not available; Odor
Threshold 0.05 ppm.
Fire Hazards - Flash Point : (Flammable solid); Flammable Limits in Air (%): Not pertinent; Fire
Extinguishing Agents: Water, foam, dry chemical, and carbon dioxide; Fire Extinguishing Agents Not
to be Used: Halogenated extinguishing agents; Special Hazards of Combustion Products: May give
toxic fumes of unburned material; Behavior in Fire: May explode when hot. Burns with green-colored
flame; Ignition Temperature (deg. F): 300; Electrical Hazard: Not pertinent; Burning Rate: Not
pertinent.
Chemical Reactivity - Reactivity with Water: Reacts slowly to form flammable hydrogen gas, which
can accumulate in closed area; Reactivity with Comn Materials: Corrosive to natural rubber, some
synthetic rubbers, some greases and some lubricants; Stability During Transport: Stable; Neutralizing
Agents for Acids and Caustics: Flush with 3% aqueous ammonia solution, then with water. Methyl
alcohol may also be used; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

DECAHYDRONAPHTHALENE
Chemical Designations - Synonyms: Bicyclo [4.4.0] Decane; Naphthalane; Perhydronaphthlene; Dec;
Decalin; De Kalin; Naphthane; sic- or trans-Decahydronaphthalene; Chemical Formula: C,,H,,.
Observable Characteristics - Physical State (as normally shipped): Liquid; Color: Colorless; Odor:
Aromatic, like turpentine; mild, characteristic.
Physical and Chemical Properties - Physical State at 15 "c and 1 &. : Liquid; Molecular Weight:
138.2; Boiling Point at I am.: 383, 195, 468; Freezing Point: -44, 42, 231; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; Specijic Gravity: 0.89 at 20°C (liquid); Vapor (Gas)
Density: Not pertinent; Ratio of Specijic Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporization: 130,71, 3.0; Heat of Combustion: -19,200, -10,700,447; Heat ofDecomposition: Not
pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Air mask or self-
contained breathing apparatus if in enclosed tank; rubber gloves or protective cream; goggles or face
shield; Symptoms Following Exposure: Inhalation or ingestion irritates nose and throat, causes
numbness, headache, vomiting; urine may become blue. Irritates eyes. Liquid de-fats skin and causes
cracking and secondary infection; eczema may develop; General Treatment for Exposure:
INHALATION: remove to fresh air. EYES: flush with water for at least 15 min. SKIN: wash with
water and mild soap. INGESTION: give emetic such as warm salt water, followed by a mild catharic;
direct physician to conserve liver and kidney function; Toxicity by Inhalation (Threshold Limit Value):
25 ppm (suggested); Short-Term Exposure Limits: Data not available; Tonicity by Ingestion: Grade 2;
LD,=4,170 mg/kg (rat); Lute Toxicity: Data not available; Vapor (Gas) Imhnt Characteristics: Data
not available; Liquid or Solid Irritant Characteristics: Data not available; Odor Threshold: Data not
available.
Fire Hazards - Flash Point (deg. F): 134 OC; Flammable Limits in Air (%): 0.7 - 5.4; Fire
Extinguishing Agents: Water, foam, dry chemical, carbon dioxide; Fire Extinguishing Agents Not to
be Used: Water; Special Hazards of Combustion Products: Not pertinent; Behavior in Fire: Not
pertinent; Ignition Temperature (a'eg. F): 482; Electrical Hazard: Data not available; Burning Rate: 5.9
mm/min.
Chemical Reactivity - Reactivity with Water : No reaction; Reactivity with Comn Materials: No
reaction; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
DECALDEHYDE
Chemical Designations - Synonyms: Aldehyde C-10; Capraldehyde; Capric Aldehyde; Decanal; n-
Decyl Aldehyde; Chemical Fomla: CH,(CHJ,CHO.