IUPAC Name:  Sodium octadecyl sulfate
Synonyms of Octadecyl sodium sulfate (CAS NO.1120-04-3) : 1-Octadecanol, hydrogen sulfate, sodium salt (1:1) ; Sodium octadecyl sulfate ; n-Octadecyl sulfate sodium salt ; Octadecadienyl sulfate (1:1), sodium salt
InChI: InChI=1/C18H38O4S.Na/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22-23(19,20)21;/h2-18H2,1H3,(H,19,20,21);/q;+1/p-1 
Product Categories: Organic Building Blocks;Organic Sulfates/Sulfites;Sulfur Compounds
CAS NO:1120-04-3  
Molecular Formula:C₁₈H₃₇NaO₄S                         
Molecular Weight :372.5387                                  
Molecular Structure :
EINECS: 214-295-0
Melting Point: 211-213 °C(lit.)
Appearance: Octadecyl sodium sulfate (CAS NO.1120-04-3) is white to light yellowish-beige powder .

Reported in EPA TSCA Inventory.

Poison by intraperitoneal route. When heated to decomposition it emits toxic vapors of SO_x.

Hazard Codes Xi
Risk Statements 36/37/38
R36/37/38: Octadecyl sodium sulfate (CAS NO.1120-04-3) is irritating to eyes, respiratory system and skin.
Safety Statements 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany 2
RTECS WT1170000