Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5,6-Difluoroisobenzofuran-1,3-dione
Price:
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 5,6-Difluoroisobenzofuran-1,3-dione
Price: ￥1038.0/1g ￥438.0/250mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5-Difluorophthalic anhydride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

18959-30-3

18959-30-3 structure

18959-30-3 structure

Name: 5,6-Difluoroisobenzofuran-1,3-dione
Chemical Name: 5,6-difluoro-2-benzofuran-1,3-dione
CAS Number: 18959-30-3
Molecular Formula: C₈H₂F₂O₃
Molecular Weight: 184.096
Catalog: Chemical reagent Organic reagent Aromatic hydrocarbon
Create Date: 2018-05-14 08:00:00
Modify Date: 2024-01-02 14:09:03

Name	5,6-difluoro-2-benzofuran-1,3-dione
Synonyms	4,5-Difluorophthalic anhydride 4,5-Difluor-phthalsaeureanhydrid 5,6-Difluoro-2-benzofuran-1,3-dione 1,3-isobenzofurandione,5,6-difluoro 4,5-DIFLUORO PHTHALIC ANHYDRIDE 4,5-difluoro-phthalic acid anhydride 1,3-Isobenzofurandione, 5,6-difluoro- 5,6-Difluoroisobenzofuran-1,3-dione MFCD00152992

Density	1.7±0.1 g/cm3
Boiling Point	321.2±32.0 °C at 760 mmHg
Melting Point	99-100℃
Molecular Formula	C₈H₂F₂O₃
Molecular Weight	184.096
Flash Point	143.3±20.0 °C
Exact Mass	183.997192
PSA	43.37000
LogP	1.61
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.556
Storage condition	2-8°C

Hazard Codes	Xi: Irritant;
HS Code	2932999099

942-06-3 structure

942-06-3

~%

18959-30-3 structure

18959-30-3

Literature: Synthetic Communications, , vol. 22, # 21 p. 3067 - 3074

Precursor 1
942-06-3
DownStream 5
455-86-7 878207-28-4 83506-93-8 83684-73-5
64695-84-7

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%