Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-methyl-3H-phthalazine-1,4-dione
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-methyl-3H-phthalazine-1,4-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2-methyl-3H-phthalazine-1,4-dione
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

18393-54-9

18393-54-9 structure

18393-54-9 structure

Name: 2-methyl-3H-phthalazine-1,4-dione
Chemical Name: 3-methyl-2H-phthalazine-1,4-dione
CAS Number: 18393-54-9
Molecular Formula: C₉H₈N₂O₂
Molecular Weight: 176.17200
Create Date: 2018-06-21 13:23:32
Modify Date: 2025-10-13 13:27:04

Name	3-methyl-2H-phthalazine-1,4-dione
Synonyms	methylphthalhydrazide 2-Methyl-2,3-dihydro-phthalazin-1,4-dion HMS561H22 N-methylphthalhydrazide 2-methyl-2,3-dihydrophthalazine-1,4-dione 2-methyl-1,2,3,4-tetrahydrophthalazine-1,4-dione

Density	1.292g/cm3
Boiling Point	364.6ºC at 760 mmHg
Molecular Formula	C₉H₈N₂O₂
Molecular Weight	176.17200
Flash Point	174.3ºC
Exact Mass	176.05900
PSA	54.86000
LogP	0.22680
Vapour Pressure	5.91E-06mmHg at 25°C
Index of Refraction	1.585

HS Code	2933990090

Precursor 0
DownStream 1
40227-54-1

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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