Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7-ETHOXY-6-METHOXY-2,2-DIMETHYLCHROMENE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

65383-73-5

65383-73-5 structure

65383-73-5 structure

Name: 7-ETHOXY-6-METHOXY-2,2-DIMETHYLCHROMENE
Chemical Name: precocene III
CAS Number: 65383-73-5
Molecular Formula: C₁₄H₁₈O₃
Molecular Weight: 234.29100
Create Date: 2018-03-24 08:00:00
Modify Date: 2025-08-25 09:55:20

Name	precocene III
Synonyms	7-ethoxy-6-methoxy-2,2-dimethyl-2H-chromene 7-ethoxy-6-methoxy-2,2-dimethylchromene Ethoxyprecocene precocene 3 7-ethoxy-6-methoxy-2,2-dimethyl-2H-chromene (Precocene III) 6-methoxy-7-ethoxy-2,2-dimethyl-2H-chromene 7-Ethoxyprecocene EINECS 265-728-5 7-Ethoxy-6-methoxy-2,2-dimethyl-2H-benzopyran 7-ethoxy-6-methoxy-2,2-dimethyl-2H-1-benzopyran 7-ethoxy-6-methoxy-2,2-dimethyl-2h-chromen

Density	0.92
Boiling Point	316.6ºC at 760 mmHg
Molecular Formula	C₁₄H₁₈O₃
Molecular Weight	234.29100
Flash Point	105.8ºC
Exact Mass	234.12600
PSA	27.69000
LogP	3.27810
Index of Refraction	1.5547-1.5567

Safety Phrases	S24/25
HS Code	2909199090

Precursor 8
65383-61-1 118948-74-6 541-47-9 533-73-3
76348-95-3 118948-72-4 3350-78-5 533-31-3
DownStream 0

HS Code	2909199090
Summary	2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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