Demeclocycline
Suppliers
Names
[ CAS No. ]:
127-33-3
[ Name ]:
Demeclocycline
[Synonym ]:
Ledermycin hydrochloride
7-chloro-6-demethyltetracycline
6-demethyl-7-chlorotetracycline
(2E,4S,4aS,5aS,6S,12aS)-2-[Amino(hydroxy)methylene]-7-chloro-4-(dimethylamino)-6,10,11,12a-tetrahydroxy-4a,5a,6,12a-tetrahydrotetracene-1,3,12(2H,4H,5H)-trione
Elkamicina
DMCTC
(4aS)-7-Chlor-4c-dimethylamino-3,6t,10,12,12a-pentahydroxy-1,11-dioxo-(4ar,5ac,12ac)-1,4,4a,5,5a,6,11,12a-octahydro-naphthacen-2-carbonsaeure-amid
Declomycin
EINECS 204-834-8
Demeclocyclinum
7-chloro-4-dimethylamino-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydro-naphthacene-2-carboxylic acid amide
(2E,4S,4aS,5aS,6S,12aS)-2-[Amino(hydroxy)methylene]-7-chloro-4-(dimethylamino)-6,10,11,12a-tetrahydroxy-4a,5a,6,12a-tetrahydro-1,3,12(2H,4H,5H)-tetracenetrione
1,3,12(2H,4H,5H)-Naphthacenetrione, 2-(aminohydroxymethylene)-7-chloro-4-(dimethylamino)-4a,5a,6,12a-tetrahydro-6,10,11,12a-tetrahydroxy-, (2E,4S,4aS,5aS,6S,12aS)-
Demethylchlortetracycline(DMCT)
Demeclociclina
Ledermycin
domeclocycline
(4S,4aS,5aS,6S,12aR)-7-chloro-4-(dimethylamino)-1,6,10,11,12a-pentahydroxy-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide
Chemical & Physical Properties
[ Density]:
1.8±0.1 g/cm3
[ Boiling Point ]:
684.5±55.0 °C at 760 mmHg
[ Molecular Formula ]:
C21H21ClN2O8
[ Molecular Weight ]:
464.853
[ Flash Point ]:
367.8±31.5 °C
[ Exact Mass ]:
464.098633
[ PSA ]:
181.62000
[ LogP ]:
0.57
[ Vapour Pressure ]:
0.0±2.2 mmHg at 25°C
[ Index of Refraction ]:
1.761
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- QI7650000
- CHEMICAL NAME :
- 2-Naphthacenecarboxamide, 7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octah ydro- 3,6,10,12,12a-pentahydroxy-1,11-dioxo-
- CAS REGISTRY NUMBER :
- 127-33-3
- LAST UPDATED :
- 199706
- DATA ITEMS CITED :
- 15
- MOLECULAR FORMULA :
- C21-H21-Cl-N2-O8
- MOLECULAR WEIGHT :
- 464.89
- WISWESSER LINE NOTATION :
- L E6 C666 BV FV CU GUTTT&J DQ EQ GVZ HQ IN1&1 MQ OG RQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 420 mg/kg/6W
- TOXIC EFFECTS :
- Endocrine - diabetes insipidus (nephrogenic or CNS) Biochemical - Metabolism (Intermediary) - effect on cyclic nucleotides
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 10 mg/kg
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 68 mg/kg/8D
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - urine volume increased Kidney, Ureter, Bladder - other changes in urine composition
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >6750 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 358 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 4 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 454 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 79 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Unreported
- DOSE :
- 240 mg/kg
- SEX/DURATION :
- female 1-39 week(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - other postnatal measures or effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5 gm/kg
- SEX/DURATION :
- female 1-22 day(s) after conception lactating female 21 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - skin and skin appendages Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5 gm/kg
- SEX/DURATION :
- female 1-22 day(s) after conception lactating female 21 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - other postnatal measures or effects
MUTATION DATA
- TYPE OF TEST :
- DNA inhibition
- TEST SYSTEM :
- Human Lymphocyte
- DOSE/DURATION :
- 3750 ug/L
- REFERENCE :
- BCPHBM British Journal of Clinical Pharmacology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.1- 1974- Volume(issue)/page/year: 16,127,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5539 No. of Facilities: 10 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 330 (estimated) No. of Female Employees: 120 (estimated)