3,3'-spirobi[3H-naphtho[2,1-b]pyran]

Modify Date: 2025-12-19 11:12:40

3,3'-spirobi[3H-naphtho[2,1-b]pyran] structure	Common Name	3,3'-spirobi[3H-naphtho[2,1-b]pyran]
	CAS Number	178-10-9	Molecular Weight	348.39300
	Density	1.34g/cm3	Boiling Point	593.5ºC at 760 mmHg
	Molecular Formula	C₂₅H₁₆O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	300.1ºC

Name	3,3'-spirobi[benzo[f]chromene]
Synonym	More Synonyms

Density	1.34g/cm3
Boiling Point	593.5ºC at 760 mmHg
Molecular Formula	C₂₅H₁₆O₂
Molecular Weight	348.39300
Flash Point	300.1ºC
Exact Mass	348.11500
PSA	18.46000
LogP	6.20070
Vapour Pressure	1.98E-13mmHg at 25°C
Index of Refraction	1.78
InChIKey	XJPKXCFTCNYEKP-UHFFFAOYSA-N
SMILES	C1=CC2(C=Cc3c(ccc4ccccc34)O2)Oc2ccc3ccccc3c21

HS Code	2902909090

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

EINECS 205-869-1

3,3'-Spirobi<3H-naphtho<2,1-b>pyran>

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,3'-spirobi[3H-naphtho[2,1-b]pyran]
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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