Methoxsalen cas no:298-81-7
Synonyms: MOP; 6-hydroxy-7-methoxy-5-benzofuranacrylic acid delta-lactone; 7-furocoumarin; 8-Methoxy; 8-methoxy-2',3',6,7-furocoumarin; 8-Methoxy-4',5':6,7-furocoumarin; 8-Methoxyfuranocoumarin; 8-Methoxypsoralen; 8-MOP; 8-MP; 9-methoxy-7H-furo(3,2-g)benzopyran-7-one; 9-methoxyfuro[3,2-g]chromen-7-one; 9-Methoxypsoralen; Ammoidin; meladinin; Meloxine; Methoxa-Dome; methoxalen; Oxsoralen; Oxsoralen Lotion; Oxsoralen Ultra; oxypsoralen; proralone-mop; psoralen-mop; Psoralon-MOP; Uvadex; Xanthotoxin; xanthoxin; zanthotoxin
NameMethoxsalen
CAS298-81-7
SynonymsMOP; 6-hydroxy-7-methoxy-5-benzofuranacrylic acid delta-lactone; 7-furocoumarin; 8-Methoxy; 8-methoxy-2',3',6,7-furocoumarin; 8-Methoxy-4',5':6,7-furocoumarin; 8-Methoxyfuranocoumarin; 8-Methoxypsoralen; 8-MOP; 8-MP; 9-methoxy-7H-furo(3,2-g)benzopyran-7-one; 9-methoxyfuro[3,2-g]chromen-7-one; 9-Methoxypsoralen; Ammoidin; meladinin; Meloxine; Methoxa-Dome; methoxalen; Oxsoralen; Oxsoralen Lotion; Oxsoralen Ultra; oxypsoralen; proralone-mop; psoralen-mop; Psoralon-MOP; Uvadex; Xanthotoxin; xanthoxin; zanthotoxin
EINECS(EC#)206-066-9
Molecular FormulaC12H8O4
Molecular Weight216.19
AppearanceOdorless white to cream-colored crystalline solid. Bitter taste followed by tingling sensation.
refractive index1.635
storage tempCorrosives area. Keep containers tightly closed. Store protected from light. Store in a cool, dry area away from incompatible substances.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass6.1
Hazard T:Toxic
Risk R22;R34;R45;R46
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- LV1400000
- CHEMICAL NAME :
- 7H-Furo(3,2-g)(1)benzopyran-7-one, 9-methoxy-
- CAS REGISTRY NUMBER :
- 298-81-7
- BEILSTEIN REFERENCE NO. :
- 0196453
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 40
- MOLECULAR FORMULA :
- C12-H8-O4
- MOLECULAR WEIGHT :
- 216.20
- WISWESSER LINE NOTATION :
- T C566 DO LVOJ BO1
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 :
- 791 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
Behavioral - changes in motor activity (specific assay)
Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 158 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 :
- 1880 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 423 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
Behavioral - changes in motor activity (specific assay)
Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 250 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold
Behavioral - changes in motor activity (specific assay)
Behavioral - ataxia
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 860 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 505 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 :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 26 gm/kg/13W-I
- TOXIC EFFECTS :
- Liver - other changes
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland,
accessory glands
Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2400 mg/kg/16D-I
- TOXIC EFFECTS :
- Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 690 mg/kg/15D-I
- TOXIC EFFECTS :
- Gastrointestinal - hypermotility, diarrhea
Liver - hepatitis (hepatocellular necrosis), zonal
Blood - hemorrhage
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Primate - monkey
- DOSE/DURATION :
- 1404 mg/kg/26W-I
- TOXIC EFFECTS :
- Gastrointestinal - nausea or vomiting
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 18025 mg/kg/2Y-C
- TOXIC EFFECTS :
- Tumorigenic - neoplastic by RTECS criteria
Kidney, Ureter, Bladder - Kidney tumors
Sense Organs and Special Senses (Olfaction) - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 800 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Maternal Effects - other effects
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1600 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1600 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - Central Nervous System
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Ovary
- DOSE/DURATION :
- 33300 ug/L
- REFERENCE :
- NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-359,1989
*** REVIEWS ***
IARC Cancer Review:Human Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 24,101,1980
IARC Cancer Review:Animal Inadequate Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 24,101,1980
TOXICOLOGY REVIEW
CRTXB2 CRC Critical Reviews in Toxicology. (CRC Press, Inc., 2000 Corporate
Blvd., NW, Boca Raton, FL 33431) V.1- 1971- Volume(issue)/page/year:
1(1),93,1971
