Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

2320-96-9

2320-96-9 structure

Name: 4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one
Chemical Name: 4.5-Dichlorofluorescein
CAS Number: 2320-96-9
Molecular Formula: C₂₀H₁₀Cl₂O₅
Molecular Weight: 401.196
Create Date: 2018-02-17 08:00:00
Modify Date: 2024-01-06 16:18:20

Name	4.5-Dichlorofluorescein
Synonyms	4',5'-Dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dichloro-3',6'-dihydroxy- 4,5-dichloro-2-triphenoxymethyl-1H-imidazole 4',5'-Dichlorofluorescein Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dichloro-3',6'-dihydroxy- 4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3h),9'-[9h]xanthen]-3-one 4,5-dichloro-2-triphenoxymethyl-imidazole 4',5'-dichloro-3',6'-dihydroxyspiro[isobenzofuran-1[3H]-9'-[9H]-xanthene]-3-one

Density	1.8±0.1 g/cm3
Boiling Point	633.9±55.0 °C at 760 mmHg
Molecular Formula	C₂₀H₁₀Cl₂O₅
Molecular Weight	401.196
Flash Point	337.2±31.5 °C
Exact Mass	399.990540
PSA	75.99000
LogP	3.66
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.797

HS Code	2932999099

85-44-9

6201-65-6

2320-96-9

Literature: Ohno; Mori Ann. Pr. Gifu Coll. Pharm.Chem.Abstr., 1960 , # 10 p. 60,64 Ann. Pr. Gifu Coll. Pharm.Chem.Abstr., 1961 , p. 12393 Full Text Show Details Milligan; Hope Journal of the American Chemical Society, 1945 , vol. 67, p. 1507

Precursor 2
85-44-9 6201-65-6
DownStream 0

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%

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