*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : OS1050000
CHEMICAL NAME : Melamine, hexamethyl-
CAS REGISTRY NUMBER : 645-05-6
BEILSTEIN REFERENCE NO. : 0195058
REFERENCE : 4-26-00-01256 (Beilstein Handbook Reference)
LAST UPDATED : 199612
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C9-H18-N6
MOLECULAR WEIGHT : 210.33
WISWESSER LINE NOTATION : T6N CN ENJ BN1&1 DN1&1 FN1&1
COMPOUND DESCRIPTOR : Agricultural Chemical
Tumorigen
Drug
Mutagen
Reproductive Effector
Human
SYNONYMS/TRADE NAMES :
* Altretamine
* ENT 50852
* Hemel
* Hexamethylmelamine
* Hexastat
* HMM
* NCI-C50259
* NSC 13875
* 1,3,5-Triazine-2,4,6-triamine, N,N,N',N',N'',N''-hexamethyl-
* s-Triazine, 2,4,6-tris(dimethylamino)-
* 2,4,6-Tris(dimethylamino)-s-triazine
* 2,4,6-Tris(dimethylamino)-1,3,5-triazine
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human
DOSE/DURATION : 8 mg/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
Blood - leukopenia
REFERENCE :
CCROBU Cancer Chemotherapy Reports, Part 1. (Washington, DC) V.52(6)-59,
1968-75. For publisher information, see CTRRDO. Volume(issue)/page/year:
56,505,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 350 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DZAJ "Principles of Insect Chemosterilization," Labrecque, G.C., and C.N.
Smith, eds., New York, Appleton-Century-Crofts, 1968
Volume(issue)/page/year: -,315,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 265 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 100,398,1950
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 437 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - chromodacryorrhea
Blood - hemorrhage
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans
Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4-
1898- Volume(issue)/page/year: 160,83,1966
TYPE OF TEST : LD10 - Lethal Dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 200 mg/kg
TOXIC EFFECTS :
Blood - granulocytopenia
Blood - changes in bone marrow (not otherwise specified)
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
40,2762,1980
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 171 mg/kg
TOXIC EFFECTS :
Cardiac - cardiomyopathy including infarction
Liver - hepatitis (hepatocellular necrosis), zonal
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB293-046
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells
Blood - changes in leukocyte (WBC) count
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB293-046
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - guinea pig
DOSE/DURATION : 255 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85DZAJ "Principles of Insect Chemosterilization," Labrecque, G.C., and C.N.
Smith, eds., New York, Appleton-Century-Crofts, 1968
Volume(issue)/page/year: -,315,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 341 mg/kg
TOXIC EFFECTS :
Peripheral Nerve and Sensation - flaccid paralysis without anesthesia
(usually neuromuscular blockage)
Behavioral - ataxia
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
16,100,1970
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3080 mg/kg/77D-I
TOXIC EFFECTS :
Gastrointestinal - changes in structure or function of endocrine pancreas
Endocrine - hyperglycemia
Related to Chronic Data - death
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,255,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 625 mg/kg/5D-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 100,398,1950
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 625 mg/kg/5D-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 100,398,1950
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Mammal - dog
DOSE/DURATION : 250 mg/kg/5D-I
TOXIC EFFECTS :
Blood - changes in bone marrow (not otherwise specified)
Blood - other changes
Related to Chronic Data - death
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: PB293-046
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Human - woman
DOSE/DURATION : 3108 mg/kg/3Y-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Blood - leukemia
REFERENCE :
AJMSA9 American Journal of the Medical Sciences. (Slack Inc., 6900 Grove
Rd., Thorofare, NJ 08086) New series: V.1- 1841- Volume(issue)/page/year:
292,393,1986
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 7 gm/kg/46W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Kidney, Ureter, Bladder - Kidney tumors
Skin and Appendages - tumors
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60,
1940-78. For publisher information, see JJIND8. Volume(issue)/page/year:
51,403,1973
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1240 mg/kg
SEX/DURATION : male 62 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
Reproductive - Fertility - male fertility index (e.g. # males impregnating
females per # males exposed to fertile nonpregnant females)
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 320 mg/kg
SEX/DURATION : female 6-9 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
before birth)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 320 mg/kg
SEX/DURATION : female 9-12 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 1160 mg/kg
SEX/DURATION : female 15-22 day(s) after conception
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
Reproductive - Effects on Newborn - weaning or lactation index (e.g., #
alive at weaning per # alive at day 4)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 80 mg/kg
SEX/DURATION : female 15-22 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rabbit
DOSE : 780 mg/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
72,245,1984
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 5 mg/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 142,121,1985
TYPE OF TEST : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE : Parenteral
TEST SYSTEM : Insect - Drosophila melanogaster
DOSE/DURATION : 150 ppm
REFERENCE :
IMSUAI Industrial Medicine and Surgery. (Northbrook, IL) V.18-42, 1949-73.
For publisher information, see IOHSA5. Volume(issue)/page/year:
38,442,1969
TYPE OF TEST : Cytogenetic analysis
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 100 mg/kg
REFERENCE :
BJPCAL British Journal of Pharmacology and Chemotherapy. (London, UK)
V.1-33, 1946-68. For publisher information, see BJPCBM.
Volume(issue)/page/year: 6,357,1951
TYPE OF TEST : DNA damage
TEST SYSTEM : Mammal - species unspecified Lymphocyte
DOSE/DURATION : 250 umol/L
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
43,500,1983
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: D melanogaster Sex-linked lethal
*** END OF RECORD ***
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