Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Hydroxy-4-methylphthalazine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5004-48-8

5004-48-8 structure

5004-48-8 structure

Name: 4-Methylphthalazin-1-ol
Chemical Name: 4-methyl-2H-phthalazin-1-one
CAS Number: 5004-48-8
Molecular Formula: C₉H₈N₂O
Molecular Weight: 160.17300
Create Date: 2017-08-19 17:59:03
Modify Date: 2026-07-01 20:43:21

Name	4-methyl-2H-phthalazin-1-one
Synonyms	4-methyl-1,2-dihydrophthalazin-1-one 4-METHYL-1(2H)-PHTHALAZINONE 4-methyl-1(2H)-phthalazinone(SALTDATA: FREE) 4-Methyl-1-phthalazinol 1-Methylphthalazine-4(3H)-one one 4-METHYLPHTHALAZIN-1(2H)-ONE 4-Methyl-1-phthalazinone 1-hydroxy-4-methylphthalazine 1-methyl-3,4-dihydro-4-oxophthalazine 4-METHYL-2H-PHTHALAZIN-1-ONE 4-methyl-1-phthalazone 1(2H)-Phthalazinone, 4-methyl AURORA KA-5078 4-Methylphthalazin-1(2H) ICX-56274004 4-Methylphthalazin-1(2H)-one 4-methyl-2-hydrophthalazin-1-one Hydroxy-4-methylphthalazine

Density	1.26g/cm3
Boiling Point	423.3ºC at 760mmHg
Melting Point	223-224ºC
Molecular Formula	C₉H₈N₂O
Molecular Weight	160.17300
Flash Point	209.8ºC
Exact Mass	160.06400
PSA	45.75000
LogP	1.23150
Index of Refraction	1.644

Hazard Codes	Xi
HS Code	2933990090

Precursor 7
577-56-0 68998-15-2 33930-79-9 55404-29-0
72023-83-7 2582-30-1 79831-29-1
DownStream 5
21517-05-5 29902-28-1 19064-68-7 113582-13-1
52952-31-5

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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