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MSDS  : Stearic acid, butyl ester
CAS  : 123-95-5
SYNONYMS  : * APEX 4 * BS * Butyl octadecanoate * n-Butyl octadecanoate * Butyl stearate * n-Butyl stearate * Emerest 2325 * Groco 5810 * Kessco BSC * Kesscoflex BS * Polycizer 332 * Octadecanoic acid, butyl ester * RC plasticizer B-17 * Starfol BS-100 * Tegester butyl stearate * Uniflex BYS * Wickenol 122 * Witcizer 200 * Witcizer 201
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : WI2900000
CHEMICAL NAME : Stearic acid, butyl ester
CAS REGISTRY NUMBER : 123-95-5
BEILSTEIN REFERENCE NO. : 1792866
REFERENCE : 4-02-00-01219 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 10
MOLECULAR FORMULA : C22-H44-O2
MOLECULAR WEIGHT : 340.66
WISWESSER LINE NOTATION : 17VO4
COMPOUND DESCRIPTOR : Reproductive Effector
Primary Irritant
SYNONYMS/TRADE NAMES :
* APEX 4
* BS
* Butyl octadecanoate
* n-Butyl octadecanoate
* Butyl stearate
* n-Butyl stearate
* Emerest 2325
* Groco 5810
* Kessco BSC
* Kesscoflex BS
* Polycizer 332
* Octadecanoic acid, butyl ester
* RC plasticizer B-17
* Starfol BS-100
* Tegester butyl stearate
* Uniflex BYS
* Wickenol 122
* Witcizer 200
* Witcizer 201

*** HEALTH HAZARD DATA ***

** SKIN/EYE IRRITATION DATA **

TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 500 mg
REACTION SEVERITY : Moderate
REFERENCE :
JACTDZ Journal of the American College of Toxicology. (Mary Ann Liebert,
Inc., 1651 Third Ave., New York, NY 10128) V.1-12, 1982-1993. Discontinued.
Volume(issue)/page/year: 4(5),107,1985

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 32 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IPSTB3 International Polymer Science and Technology. (Rapra Technology
Ltd., Shawbury, Shrewsbury, Shropshire SY4 4NR, UK) Volume(issue)/page/year:
3,93,1976

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >32 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
29ZWAE "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH,
Chemical Rubber Co., 1968 Volume(issue)/page/year: -,323,1968

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : >32 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
29ZWAE "Practical Toxicology of Plastics," Lefaux, R., Cleveland, OH,
Chemical Rubber Co., 1968 Volume(issue)/page/year: -,323,1968

** REPRODUCTIVE DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 418 gm/kg
SEX/DURATION : male 10 week(s) pre-mating
female 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
(Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU.
Volume(issue)/page/year: 7,310,1953

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOHS - National Occupational Hazard Survey (1974)
NOHS Hazard Code - 80587
No. of Facilities: 14991 (estimated)
No. of Industries: 131
No. of Occupations: 85
No. of Employees: 173017 (estimated)

NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - 80587
No. of Facilities: 1846 (estimated)
No. of Industries: 40
No. of Occupations: 55
No. of Employees: 63553 (estimated)
No. of Female Employees: 20739 (estimated)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

EPA TSCA Section 8(d) unpublished health/safety studies

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998


*** END OF RECORD ***
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Stearic acid, aluminum salt 637-12-7
Stearic acid, ammonium salt 1002-89-7
Stearic acid, barium cadmium salt (411) 1191-79-3
Spiro(isoquinoline-4(2H),4'-(4H)pyran)-1,3(2H)-dione,2',3',5',6'-tetrahydro-2',6'-dimethyl- 1191-79-3
Stearic acid, barium salt 6865-35-6
Stearic acid, butyl ester 123-95-5
Stearic acid, calcium salt 1592-23-0
Stearic acid, compd. with cyclohexylamine (11) 15860-21-6
Stearic acid, 9,10-epoxy-, allyl ester 123-36-4
Stearic acid, 2,3-epoxypropyl ester 7460-84-6
Stearic acid, alpha-ester withD-threo-(-)-2,2-dichloro-N-(beta-hydroxy-alpha-(hydroxymethyl)-p-nitrophenethyl)acetamide 16255-48-4
Stearic acid, ester with lactic acid bimol ester 14440-80-3
Stearic acid, ethyl ester 111-61-5
Stearic acid, 2-ethylhexyl ester 22047-49-0
Spiro(6H-4,9a-methanocyclopent(d)-oxocin-6,3'-oxetane)-5-carboxylic acid, octahydro-2,2'-dioxo-9-methyl-1,5,6a-trihydroxy-, methyl ester,(1R-(1-alpha,4-beta,5-beta,6-beta,6a-beta,9-alpha,9a-beta))- 153445-93-3
Stearic acid, 12-hydroxy- 106-14-9
Stearic acid, 2-(2-hydroxyethoxy)ethyl ester 106-11-6
Stearic acid, 2-hydroxyethyl ester 111-60-4
Stearic acid, 12-hydroxy-, methyl ester 141-23-1
Stearic acid, iodo-, ethyl ester 141-23-1
Stearic acid, isobutyl ester 646-13-9
Stearic acid, isohexadecyl ester 25339-09-7
Stearic acid, isopropyl ester 112-10-7
Stearic acid, lead salt 7428-48-0
Stearic acid, lithium salt 4485-12-5
Spiro(6H-4,9a-methanocyclopent(d)-oxocin-6,3'-oxetane)-5-carboxylic acid, octahydro-2,2'-dioxo-9-methyl-1,5,6a,7-tetrahydroxy-, methyl ester,(1R-(1-alpha,4-beta,5-beta,6-beta,6a-beta,7-beta,9-alpha,9a-beta))- 4485-12-5
Stearic acid, magnesium salt 557-04-0
Stearic acid, methyl ester 112-61-8
Stearic acid, monoester with 1,2-propanediol 1323-39-3
Stearic acid, 4-oxo- 16694-30-7
Stearic acid, potassium salt 593-29-3
Stearic acid, sodium salt 822-16-2
Stearic acid, tetradecyl ester 17661-50-6
Stearonitrile 638-65-3
Stearoylglutamic acid 3397-16-8
Stearyl alcohol, condensed with 2 moles ethyleneoxide 9005-00-9
Spiro(6H-4,9a-methanocyclopent(d)oxocin-6,3'-oxetane)-2,2'(1H)-dione, 4a-beta,5,6a,7,8,9-hexahydro-5,9a-dimethyl-1-alpha,5-beta,6a-beta,7-beta-tetrahydroxy- 5230-87-5
Stearyl alcohol condensed with l0 moles ethyleneoxide 9005-00-9
Stearyl alcohol condensed with 20 moles ethyleneoxide 9005-00-9
Steel, aluminum nickel 61431-86-5
Stellaria media (L.) Vill., extractSUBSTANCE DEFINITION :Plant belonging to the family CaryophyllaceaeREFERENCE :IJEBA6 Indian Journal of Experimental Biology. (Publications & InformationDirectorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963-Volume(issue)/page/year: 18,594,1980 61431-86-5
Stellaria media Linn., extract excluding rootsSUBSTANCE DEFINITION :Plant belonging to the family CaryophyllaceaeREFERENCE :IJEBA6 Indian Journal of Experimental Biology. (Publications & InformationDirectorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963- 61431-86-5
Stellaria semivestita Edgew., extractSUBSTANCE DEFINITION :Plant belonging to the family CaryophyllaceaeREFERENCE :IJEBA6 Indian Journal of Experimental Biology. (Publications & InformationDirectorate, CSIR, Hillside Rd., New Delhi 110 012, India) V.1- 1963-Volume(issue)/page/year: 6,232,1968 61431-86-5
Stellin 59041-50-8
Stellin A 77031-05-1
Stellin B 69772-63-0
Stemmadenine 10012-73-4

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