Shanghai Nianxing Industrial Co., Ltd
China
Product Name: benzo-12-crown-4
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: benzo-12-crown-4
Price: ￥1148.0/1g ￥3468.0/5g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzo-12-crown 4-ether
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: benzo-12-crown-4
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

14174-08-4

14174-08-4 structure

14174-08-4 structure

Name: benzo-12-crown-4
Chemical Name: Benzo-12-crown 4-Ether
CAS Number: 14174-08-4
Molecular Formula: C₁₂H₁₆O₄
Molecular Weight: 224.253
Catalog: Chemical reagent Organic reagent Crown ether
Create Date: 2018-06-26 07:22:04
Modify Date: 2025-08-25 19:43:59

Name	Benzo-12-crown 4-Ether
Synonyms	BENZO-12-CROWN-4 2,3-Benzo-1,4,7,10-tetraoxadodec-2-ene 2,5,8,11-tetraoxabicyclo[10.4.0]hexadeca-1(16),12,14-triene 1,4,7,10-Benzotetraoxacyclododecin, 2,3,5,6,8,9-hexahydro- 2,3,5,6,8,9-Hexahydro-1,4,7,10-benzotetraoxacyclododecine MFCD00059934

Density	1.1±0.1 g/cm3
Boiling Point	341.8±37.0 °C at 760 mmHg
Melting Point	42-45 °C(lit.)
Molecular Formula	C₁₂H₁₆O₄
Molecular Weight	224.253
Flash Point	136.4±33.3 °C
Exact Mass	224.104858
PSA	36.92000
LogP	0.78
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.479

Hazard Codes	Xi,Xn
Risk Phrases	R36/37/38
Safety Phrases	S22-S24/25
WGK Germany	3
HS Code	2932999099

Precursor 10
77963-44-1 120-80-9 112-26-5 87494-76-6
31255-10-4 112-27-6 99700-26-2 19249-03-7
10234-40-9 6315-52-2
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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