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Home> Products > Organic Intermediates > Pharmaceutical Intermediates > CAS DataBase Listed 5 > CAS 503-38-8
503-38-8 structure 3D

503-38-8

  • Molecular Weight: 197.8322
  • Formula: C15H28O
  • Name: 5H-1,4-Benzodioxepin-5-one,2,3-dihydro-3-(4-morpholinylmethyl)-
  • Synonyms: Trichloromethyl chloroformate
Properties Safety and Handling MSDS Synthesis Route Precursor and Product Computational chemical data
Identification of 503-38-8 Safety Data
  • [Risk Codes]
  • R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed
  • R34:Causes burns
  • [Safety Statements]
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
  • S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
  • S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
  • Hazard Symbols:
  • HazardClass:6.1
Properties
  • Appearance:
  • clear, colorless liquid
  • Molecular Weight:
  • 197.8322
  • Density:
  • 1.38
  • Boiling Point:
  • 847.6°Cat760mmHg
  • Melting Point:
  • -57℃
  • Flash Point:
  • 138.5°C
  • Storage Temperature:
  • 2-8°C
  • Refractive index:
  • 1.456-1.459
  • Solubility:
  • may decompose
  • More Properties>>
Upstream Product Downtream information
There are 29 suppliers who can provide 5H-1,4-Benzodioxepin-5-one,2,3-dihydro-3-(4-morpholinylmethyl)- with CAS No. 503-38-8
Diphosgene
  • Cas No:503-38-8 
  • Min.Order:25/Kilogram 
  • Purity:98% 
  • Supply Ability:1-500 Year/Metric Ton 
  • Formula:C2Cl4O2 
  • Payment:T/T L/C 
  • Updatetime:Jan 07 2020 
Wuhan Fortuna Chemical Co., Ltd.
  • Category:LLC (Ltd Liability Corp)
  • Registered Time:2006
  • Registered Capital:US$50 Million - US$100 Million
  • Employees:51 - 100 People
  • Tel:0086-27-59207850
  • Fax:0086-27-59524646
  • Address:A2705,Dong Yi Shi Qu,129# XinHua Road
-114YR Main Products
API
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Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Diphosgene
  • Updatetime:Dec 20 2019 
Hangzhou Dayangchem Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2000
  • Registered Capital:US$501 Thousand - US$1 Million
  • Legal Representative:Tang
  • Employees:51 - 100 People
  • Tel:86-571-88938639
  • Fax:86-571-88938652
  • Address:9/F Unit 2 ChangdiTorch Building, 259 #WenSan Road
8YRS Main Products
Chemical products
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Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:High quality with nice price! J&H chemical provides you with the best chemical compounds you are looking for!
  • Updatetime:Nov 13 2015 
Hangzhou J&H Chemical Co., Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:2002
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
  • Tel:86-571-87396430
  • Fax:86-571-87396431
  • Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
5YRS Main Products
3,5-Dibromoanisole,5-Fluoro-2-nitroanisole,Doxorubicin hydrochloride,Diethyl 4-oxoheptanedioate,1,5-Diphenylpenta-1,4-dien-3-one,3,5-Dimethoxy-4-hydroxycinnamic acid
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Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Name: Diphosgene Synonyms: Trichloromethyl chloroformate CAS Registry number: 503-38-8 EINECS:207-965-9 Molecular Formula: C2Cl4O2 Boiling Point: 128℃ Flash Point: >110°C Density: 1.64 Water:may decompose Appearance: clear, colorless liquid Safety Statement...
  • Updatetime:Jun 12 2019 
Zhejiang Haiqiang Chemical Co.,Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:Above US$100 Million
  • Legal Representative:Yang Ji
  • Employees:51 - 100 People
  • Tel:86-571-86960370
  • Fax:86-571-86940780
  • Address:5/F, Around Town North Road,No. 10, Hangzhou, Zhejiang,China
Main Products
API Intermediate Plant extracts Pigments and dyes Food and feed additives Reagent Customization synthesisOther products
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Carbonochloridic acid,trichloromethyl ester
  • Cas No:503-38-8 
  • Min.Order:1/Kilogram 
  • Purity:99 
  • Supply Ability:100 Year/Metric Ton 
  • Formula:C2Cl4O2 
  • Payment:LC 
  • Updatetime:Nov 21 2018 
Jinan Haohua Industry Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2006
  • Registered Capital:US$1 Million - US$2.5 Million
  • Legal Representative:Jay Kong
  • Employees:501 - 1000 People
  • Tel:0086-531-58773055
  • Fax:0086-531-58773066
  • Address:No.59 Gongye South RD
Main Products
Chlorodimethylsilane;1,1,3,3-tetramethyldisiloxane
Contact Supplier
Trichloromethyl chloroformate
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Updatetime:Nov 21 2018 
Shanghai Hope Chem Co., Ltd.
  • Category:Corporation/Limited Liability Company
  • Registered Time:2014
  • Registered Capital:US$501 Thousand - US$1 Million
  • Employees:11 - 50 People
  • Tel:86-21-61723543
  • Fax:86-21-33250189
  • Address:Room508, Building1, No.88 CaiLun Road Zhangjiang H
Main Products
Shanghai Hope Chem Co., Ltd. was founded in 2014 with registered capital of RMB 2 million Yuan.
Contact Supplier
High quality Diphosgene supplier in China
  • FOB Price:1 USD/Metric Ton 
  • Cas No:503-38-8 
  • Min.Order:1/Metric Ton 
  • Purity:99% 
  • Supply Ability:10 Day/Metric Ton 
  • Formula:C2Cl4O2 
  • Payment:T/T,Western Union,MoneyGram,Other 
  • Updatetime:Feb 25 2019 
Hebei yanxi chemical co.,LTD.
  • Tel:156 330 66222
  • Address:Zhang zhe, guangzong county, xingtai city, hebei province
Contact Supplier
Trichloromethyl chloroformate
  • Cas No:503-38-8 
  • Min.Order:25/Kilogram 
  • Purity:99% 
  • Supply Ability:8000 Year/Metric Ton 
  • Formula:C2Cl4O2 
  • Appearance:Colorless liquid 
  • Updatetime:Feb 25 2019 
Suzhou Tianma Specialty Chemicals Co.,Ltd
  • Tel:+86-512-68093153
  • Fax:+86-512-68090175
  • Address:#199, Huayuan Rd, Mudu, Suzhou, Jiangsu, CHINA
Contact Supplier
High quality Diphosgene supplier in China
  • Cas No:503-38-8 
  • Purity:99% 
  • Formula:C2Cl4O2 
  • Appearance:white-off powder or granule ( referto ... 
  • Einecs:207-965-9 
  • Description:Superiority welcome to simagchem, your partner in china as a premier supply of bulk specialty chemicals for industry and life science. we introduce experienced quality product and exceptional jit service with instant market intelligence in china to benefit our...
  • Updatetime:Feb 25 2019 
Simagchem Corporation
  • Tel:+86-592-2680277
  • Address:21/F Hualong Office Building,No.6 Hubin East Road, Xiamen,China
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Purity:98% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority high quality Details Storage:Store in dry, dark and ventilated plac... Keywords:Diphosgene,503-38-8
  • Updatetime:Feb 25 2019 
Hangzhou Keyingchem Co.,Ltd
  • Tel:+86-571-85378921
  • Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.
Contact Supplier
Carbonochloridic acid,trichloromethyl ester
  • Cas No:503-38-8 
  • Purity:99% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority good quality and best price Details Keywords:Carbonochloridic acid,trichloromethyl ester
  • Updatetime:Feb 24 2019 
GrowingChem (Shanghai) Co., Ltd.
  • Tel:021-51320180 021-51320373
  • Fax:021-51320178
  • Address:601B, No.1043, Halei Rd, Zhangjiang Hi-Tech Park, Shanghai, Postcode 201203, China
Contact Supplier
Diphosgene
  • FOB Price:500 USD/Gram 
  • Cas No:503-38-8 
  • Min.Order:1/Gram 
  • Purity:96 
  • Supply Ability:1000 Day/Gram 
  • Formula:C2Cl4O2 
  • Payment:D/P,T/T,Western+Union,Other 
  • Updatetime:Feb 23 2019 
Pure Chemistry Scientific Inc.
  • Tel:+1-857-366-7588
  • Address:14905 SW freeway street #232, Sugarland, TX 77478, USA
Contact Supplier
Carbonochloridic acid,trichloromethyl ester
  • Cas No:503-38-8 
  • Purity:98.00 
  • Formula:C2Cl4O2 
  • Appearance:White Solid 
  • Einecs:207-965-9 
  • Description:Superiority comply with cp,jp,ep,us grade Details Molecular Formula:C2Cl4 O2 Transportation:Shipped as non- dangerous chemicals Storage:Stored under room temperature in cool ... Keywords:503-38-8,Carbonochloridic acid,trichloromethyl ester
  • Updatetime:Feb 23 2019 
Henan DaKen Chemical CO.,LTD.
  • Registered Time:0
  • Tel:+86-371-55541817
  • Address:No9,Inner Road,CBD,Zhengzhou ,China
Main Products
Daken chemica
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Purity:99% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority j&h chemical is one of china's leading providers of integrated fine chemical services including offering, research and development, custom manufacturing business, as well as other value-added customer services, for diversified range products of che...
  • Updatetime:Feb 23 2019 
Hangzhou J&H Chemical Co., Ltd.
  • Tel:+86-571-87396430 87396432
  • Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China
Contact Supplier
Trichloromethyl chloroformate, 98%
  • Cas No:503-38-8 
  • Purity:98% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority in stock Details Molecular Formula:C2Cl4O2 Keywords:Trichloromethyl chloroformate, 98%,Diphosgene
  • Updatetime:Feb 23 2019 
Beantown Chemical
  • Tel:844-891-6306
  • Address:9-11 Sagamore Park Road Hudson NH 03051
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Purity:97% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority quality, cheap, reliable! Details Storage:shanghai Keywords:503-38-8
  • Updatetime:Feb 23 2019 
Shanghai Yolne Chemical Co., Ltd
  • Tel:+86-21-62960152,61525205,61538832,61538837
  • Address:Floor 4,building 2, No. 3377, Kangxi Road, Pudong New District, Shanghai, China
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Superiority Details Molecular Formula:C2Cl4 O2
  • Updatetime:Feb 22 2019 
Weifang Sansheng Chemical Co., Ltd.
  • Tel:86-536-5335273
  • Address:The West of Xinhua Road, Project District, Hou Town, Shouguang, Shandong Province, China
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Updatetime:Nov 28 2018 
lotuschem
  • Tel:852-29738324
  • Fax:+86-23-86092822
  • Address:Rm. 907. JCD116 Wing Tuck Commercial Centre, 177-183 Wing Lok Street, Hong Kong
Contact Supplier
D-P
  • Cas No:503-38-8 
  • Purity:95%,98%,99% 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:GL Biochem supplies high quality peptide reagents(Fmoc AA, Boc AA, coupling reagents, resins),peptides(custom peptides, catalogue peptides, pharmaceutical peptides, cosmetic peptides )and custom antibody service (monoclonal antibody, polyclonal antibody ).
  • Updatetime:Apr 14 2016 
GL Biochem(Shanghai) Ltd
  • Category:Corporation/Limited Liability Company
  • Registered Time:1998
  • Registered Capital:US$501 Thousand - US$1 Million
  • Legal Representative:Dr Hongyan Xu
  • Employees:Above 1000 People
  • Tel:86-21-61263452
  • Fax:86-21-61263399
  • Address:519 Ziyue Road 200241 China
Main Products
custom peptides, catalogue peptides, pharmaceutical peptides, cosmetic peptides,monoclonal antibody, polyclonal antibody,FMOC-ARG(PBF)-OH,FMOC-LYS(ME.BOC)-OH
Contact Supplier
Diphosgene
  • Cas No:503-38-8 
  • Formula:C2Cl4O2 
  • Einecs:207-965-9 
  • Description:Diphosgene
  • Updatetime:Apr 25 2014 
Boc Sciences
  • Registered Time:2005
  • Tel:1-631-5046093
  • Fax:1-631-6147828
  • Address:45-16 Ramsey Road Shirley, NY 11967, USA
Main Products
PEG Products,OLED Products,Research Products,Natural Products,
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