Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,2'-Spirobi[2H-1-benzopyran]-6,6',7,7'-tetrol,3,3',4,4'-tetrahydro-4,4,4',4'-tetramethyl-
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,2'-Spirobi[2H-1-benzopyran]-6,6',7,7'-tetrol,3,3',4,4'-tetrahydro-4,4,4',4'-tetramethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

32737-35-2

32737-35-2 structure

32737-35-2 structure

Name: 2,2'-Spirobi[2H-1-benzopyran]-6,6',7,7'-tetrol,3,3',4,4'-tetrahydro-4,4,4',4'-tetramethyl-
Chemical Name: 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-6,6',7,7'-tetrol
CAS Number: 32737-35-2
Molecular Formula: C₂₁H₂₄O₆
Molecular Weight: 372.41200
Create Date: 2018-12-25 19:17:41
Modify Date: 2025-09-12 23:24:50

Name	4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-6,6',7,7'-tetrol
Synonyms	6,6',7,7'-Tetrahydroxy-4,4,4',4'-tetramethyl-2,2'-spirobichroman 6,6',7,7'-Tetrahydroxy-4,4,4',4'-tetramethyl-2,2'-spirobischroman

Density	1.43g/cm3
Boiling Point	621.3ºC at 760mmHg
Molecular Formula	C₂₁H₂₄O₆
Molecular Weight	372.41200
Flash Point	329.5ºC
Exact Mass	372.15700
PSA	99.38000
LogP	4.02570
Index of Refraction	1.683

HS Code	2932999099

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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