*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ML9110000
CHEMICAL NAME           : 1-Hexadecanaminium, N-(carboxymethyl)-N,N-dimethyl-,
                          hydroxide, inner salt
CAS REGISTRY NUMBER     : 693-33-4
BEILSTEIN REFERENCE NO. : 3676787
REFERENCE               : 4-04-00-02387 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C20-H41-N-O2
MOLECULAR WEIGHT        : 327.62
SYNONYMS/TRADE NAMES :
   * Ammonium, (carboxymethyl)hexadecyldimethyl-, hydroxide, inner salt
   * N-(Carboxymethyl)-N,N-dimethyl-1-hexadecanaminium hydroxide inner salt
   * (Carboxymethyl)hexadecyldimethylammonium hydroxide, inner salt
   * C16BET
   * Cetyl betaine
   * N,N-Dimethyl-N-hexadecylglycine
   * Hexadecylbetaine
   * Lonzaine 16S
   * Product HDN
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1620 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   16,41,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >16 gm/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - effect, not otherwise specified
   Skin and Appendages - dermatitis, other (after systemic exposure)
   Skin and Appendages - hair
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   16,41,1991
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 150 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   16,41,1991

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M2947
       No. of Facilities: 15 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 162 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***