1(2H)-Phthalazinone
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119-39-1O=c1[nH]ncc2ccccc12IJAPPYDYQCXOEF-UHFFFAOYSA-N1-(2h)-phthalazinone appears as pale yellow crystals. Insoluble in water. (NTP, 1992)
119-39-1、62054-23-3DTXSID4025903CHEMBL124706CHEBI:340231-(2h)-phthalazinone appears as pale yellow crystals. Insoluble in water. (NTP, 1992)
Pale yellow solid; [CAMEO] Beige crystalline solid; [Aldrich MSDS]
안전 정보는 참고용이며, 공급업체의 물질안전보건자료(SDS), 관련 법규 및 전문가 평가를 대체하지 않습니다.
Warning
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 44 reports by companies from 2 notifications to the ECHA C&L Inventory.
Status: Active Update: 07-12-2017 https://echa.europa.eu/registration-dossier/-/registered-dossier/21566
1(2H)-Phthalazinone: Does not have an individual approval but may be used under an appropriate group standard
Used as a chemical intermediate for hydralazine (antihypertensive agent); [HSDB]
CHEM INT FOR HYDRALAZINE, AN ANTIHYPERTENSIVE AGENT
(1977) No Data
(1979) No Data
(1976) 6.47X10+6 GRAMS (PRINCPL CUSTMS DISTS)
(1979) 6.01X10+5 GRAMS (PRINCPL CUSTMS DISTS)
(1977) 1.30X10+8 GRAMS
(1979) PROBABLY GREATER THAN 2.27X10+6 GRAMS
불러오는 중…
EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
SMALL SPILLS AND LEAKAGE: Should a spill occur while you are handling this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with ethanol and transfer the dampened material to a suitable container. Use absorbent paper dampened with ethanol to pick up any remaining material. Seal the absorbent paper, and any of your clothes, which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)
1(2H)-Phthalazinone (PA) was tested for mutagenicity in the Salmonella/microsome preincubation assay using a protocol approved by the National Toxicology Program. PA was tested over a wide range of doses (0, 100, 333, 1000, 3333, and 10,000 ug/plate) in four Salmonella typhimurium strains (TA98, TA100, TA1535, and TA1537) in the presence and absence of Aroclor-induced rat or hamster liver S9. PA was negative in these tests and the highest ineffective dose level tested in any Salmonella tester strain was 10,000 ug/plate.
Phthalazinone
Pesticide degradation product
Smith, C.D. and Nowell, L.H., 2024. Health-Based Screening Levels for evaluating water-quality data (3rd ed.). DOI:10.5066/F71C1TWP