The molecular formula of Stearoyl Chloride(112-76-5) is C₁₈H₃₅ClO and its formula weight is 302.92.
The density of Stearoyl Chloride(112-76-5) is 0.897 g/mL at 25 °C(lit.) and it has a melting point of  21-22 °C(lit.). The boiling point is  174-178 °C2 mm Hg(lit.). The refractive index is about  1.454(lit.).
The chemical synonyms of  Stearoyl Chloride(112-76-5) are octadecanoicacid,chloride;stearicchloride;N-OCTADECANOYL CHLORIDE;OCTADECANOYL CHLORIDE;STEAROYL CHLORIDE;STCL;STEARIC ACID CHLORIDE;Stearoyl chloride,
The molecular structure of Stearoyl Chloride(112-76-5):

RTECS#: CAS# 112-67-4: None listed
CAS# 112-76-5: RG2162000
LD50/LC50: RTECS: Not available. RTECS:
CAS# 112-76-5: Oral, rat: LD50 = 7500 mg/kg;
Other: 
Carcinogenicity: Hexadecanoyl chloride - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Octadecanoyl chloride - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: See actual entry in RTECS for complete information. The toxicological properties have not been fully investigated. Not mutagen.

Hazard Codes  C
Risk Statements  14-34
Safety Statements  26-36/37/39-43-45
RIDADR  UN 3261 8/PG 2
WGK Germany  2
RTECS  RG2162000
F  10-21
HazardClass  8
PackingGroup  III
25:  Toxic if swallowed 
26:  Very Toxic by inhalation 
27:  Very Toxic in contact with skin 
28:  Very Toxic if swallowed 
29:  Contact with water liberates toxic gas 
30:  Can become highly flammable in use 
31:  Contact with acids liberates toxic gas 
32:  Contact with acids liberates very toxic gas 
33:  Danger of cumulative effects 
34:  Causes burns 
35:  Causes severe burns 
36:  Irritating to the eyes 
37:  Irritating to the respiratory system 
38:  Irritating to the skin 
39:  Danger of very serious irreversible effects 
40:  Limited evidence of a carcinogenic effect 
41:  Risk of serious damage to eyes 
42:  May cause sensitization by inhalation 
43:  May cause sensitization by skin contact 
44:  Risk of explosion if heated under confinement 
45:  May cause cancer 

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C 
Risk Phrases:
R 29 Contact with water liberates toxic gas. 
R 34 Causes burns. 
 
Safety Phrases:
S 8 Keep container dry. 
S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. 
S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). 
 
 
WGK (Water Danger/Protection)
CAS# 112-67-4: 1
CAS# 112-76-5: 1
 
Canada
CAS# 112-67-4 is listed on Canada's NDSL List
CAS# 112-76-5 is listed on Canada's DSL List
 
 
US Federal
TSCA
CAS# 112-67-4 is listed on the TSCA Inventory.
CAS# 112-76-5 is listed on the TSCA Inventory.