Oxydiacetyl dichloride

HCID 88769

Notes Reactions

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Basic information

CAS: 21062-20-4
Standard SMILES: O=C(Cl)COCC(=O)Cl
InChIKey: GTZXSBQCNBNWPK-UHFFFAOYSA-N
Molecular formula: C4H4Cl2O3
Average molar mass: 170.98 g/mol
Monoisotopic mass: 169.95374935

Names & identifiers

Preferred name: Oxydiacetyl dichloride
IUPAC: 2-(2-chloro-2-oxoethoxy)acetyl chloride
English name: 2,2'-OXYDIACETYL CHLORIDE
Molecular formula: C4H4Cl2O3
Molecular weight: 170.98

Names & synonyms

21062-20-4Oxydiacetyl dichloride2,2'-Oxybis[acetyl chloride]DTXSID20175289EINECS 244-186-32,2'-Oxybis(acetyl chloride)RefChem:857828DTXCID6097780244-186-32,2'-Oxydiacetyl chlorideDiglycolyl chlorideAcetyl chloride, 2,2'-oxybis-

Show more names

Diglycolic ChlorideDiglycolyl chloride 95%Oxybis(1-chloroethanone)Oxydi(acetic acid chloride)Oxybisacetic acid dichloride

2,2-OXYDIACETYLCHLORIDE2-(2-chloro-2-oxoethoxy)acetyl chlorideMFCD00134471SCHEMBL2262348D91875LCZC2438Diglycolic dichloridediglycolic acid dichloride

Database identifiers

CAS: 21062-20-4
PubChem CID: 88769
DTXSID: DTXSID20175289
UNII: AH3TD62WTX
EC Number: 244-186-3
Nikkaji: J225.389E

Properties

Computed structural properties

XLogP: 1.2
Topological polar surface area: 43.4 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 3
Rotatable bonds: 4
Heavy atoms: 9
Formal charge: 0
Complexity: 109

Physicochemical properties

Melting point: 121 · 121-123 °C
Boiling point: 84 · 84-87 °C/2 mmHg (lit.)
Density: 1.439 g/mL · 1.439 g/mL at 25 °C (lit.)
refractive index: 20 · n20/D 1.473(lit.)
Flash point: 230 °F · >230 °F
storage temp.: RT, stored under nitrogen
form: clear liquid
color: Colorless to Light orange to Yellow
InChI: 1S/C4H4Cl2O3/c5-3(7)1-9-2-4(6)8/h1-2H2
InChIKey: GTZXSBQCNBNWPK-UHFFFAOYSA-N
SMILES: ClC(=O)COCC(Cl)=O
CAS DataBase Reference: 21062 · 21062-20-4
FDA UNII: 3 TD62WTX · AH3TD62WTX
UNSPSC Code: 12352100 · 12352100
NACRES: 22 · NA.22
Symbol(GHS): 5 · GHS05
Signal word: Danger
Hazard statements: 314 · H314
Precautionary statements: 280 · P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405
PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes: C
Risk Statements: 34 · 34
Safety Statements: 26 · 26-27-28-36/37/39-45
RIDADR: 3265 · UN 3265 8/PG 2
WGK Germany: 3 · 3
HS Code: 2918.99 · 2918.99.5000
HazardClass: 8 · 8
PackingGroup: III
Storage Class: 8 A · 8A - Combustible corrosive hazardous materials
Hazard Classifications: 1 Skin · Eye Dam. 1Skin Corr. 1B

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Corr. 1B (100%)

Safety data

PPE: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
wgk: 3
ridadr: UN 3265 8/PG 2
hs_code: 2918.99.5000
risk_code: 34
Signal word: Danger
Symbol(GHS): GHS05
hazard_code: C
safety_code: 26-27-28-36/37/39-45
hazard_class: 8
Storage Class: 8A - Combustible corrosive hazardous materials
packing_group: III
Hazard statements: H314
Hazard Classifications: Eye Dam. 1Skin Corr. 1B
Precautionary statements: P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363-P405

Chemistry & industry

Applications

UsesDiglycolyl chloride is suitable for use in the synthesis of ply(ether ester). It may be used in the synthesis of:chiral diphenyl substituted polyether-diester compoundsmorpholine dione analog (IMDNQ)salicylic acid (SA)- based diacids

General DescriptionDiglycolyl chloride (2,2′-Oxydiacetyl chloride) is an acid halide.