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Tert-Butyl hypochlorite

HCID 521297
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Basic information

CAS
507-40-4
Standard SMILES
CC(C)(C)OCl
InChIKey
IXZDIALLLMRYOU-UHFFFAOYSA-N
Molecular formula
C4H9ClO
Average molar mass
108.57 g/mol
Monoisotopic mass
108.03419259

Overview

Tert-butyl hypochlorite appears as a slightly yellowish liquid with a pungent odor. Water insoluble. Corrosive to the skin, eyes, and mucous membranes.

Names & identifiers

Preferred name
Tert-Butyl hypochlorite
IUPAC
tert-butyl hypochlorite
English name
tert-Butyl Hypochlorite
Molecular formula
C4H9ClO
Molecular weight
108.57

Names & synonyms

tert-BUTYL HYPOCHLORITEHypochlorous acid, 1,1-dimethylethyl esterUNII-LS2JTI16JZLS2JTI16JZEINECS 208-072-7DTXSID3074941TERT-BUTYL HYPOCHLORITE [MI]1,1-Dimethylethyl HypochloriteRefChem:188203DTXCID1040900HYPOCHLOROUS ACID, TERT-BUTYL ESTER208-072-7
Show more names
HypochLtert-C4H9OCltert-Butoxy chlorideorous Acid tert-ButyLtert-ButylHypochlorite>2-chlorosyl-2-methylpropane
507-40-4Hypochlorous Acid tert-Butyl Estert-Butyl hypochloritetert-butylhypochloritet-butoxy chlorot-butoxychloridetBuOClt-butyloxychloride

Database identifiers

CAS
507-40-4
PubChem CID
521297
DTXSID
DTXSID3074941
UNII
LS2JTI16JZ
EC Number
208-072-7
Nikkaji
J9.573G

Properties

Computed structural properties

XLogP
1.8
Topological polar surface area
9.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
1
Rotatable bonds
0
Heavy atoms
6
Formal charge
0
Complexity
37.3

Experimental & physicochemical properties

SpringerMaterials PropertiesChemical shift
Physical DescriptionTert-butyl hypochlorite appears as a slightly yellowish liquid with a pungent odor. Water insoluble. Corrosive to the skin, eyes, and mucous membranes.

Physicochemical properties

Boiling point
79.6 ℃ · 79.6℃ (750 Torr)
Density
0.96 · 0.96
refractive index
1.401 · 1.4010-1.4050
storage temp.
Refrigerator
solubility
Chloroform (Sparingly), Ethyl Acetate (Slightly)
form
Oil
color
Pale Yellow to Yellow
Merck
14 · 14,1571
Stability
10 C · Unstable. Light-sensitive. Highly flammable. Incompatible with strong oxidizing agents. Keep refrigerated below 10 C.
InChI
InChI=1S/C4H9ClO/c1-4(2,3)6-5/h1-3H3

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P220, P222, P231, P233, P240, P241, P242, P243, P260, P264, P271, P280, P283, P284, P301+P330+P331, P302+P335+P334, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P306+P360, P316, P321, P342+P316, P363, P370+P378, P371+P380+P375, P403, P403+P235, P405, P420, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 47 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: Hypochlorous acid, 1,1-dimethylethyl ester

Status: Active Update: 14-01-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/27424

DOT LabelSpontaneously Combustible Corrosive
Fire Hazards · 2 items

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:

· Flammable/combustible material.

Health Hazards · 2 items

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:

· Fire will produce irritating, corrosive and/or toxic gases.

DOT ID and Guide3255 135
Reactive GroupOxidizing Agents, Strong
Reactivity AlertsStrong Oxidizing Agent
Reactivity Profile

Chemistry & industry

Applications · 3 items

UsesHypochlorous Acid tert-Butyl Ester_x000D__x000D_DISCONTINUED (cas# 507-40-4) is a compound useful in organic synthesis.

UsesDehydration of alcohols; N- and C-chlorinations.

General DescriptionA slightly yellowish liquid with a pungent odor. Water insoluble. Flash point near 0°F. Corrosive to the skin, eyes, and mucous membranes.

Upstream & downstream products

Downstream products

4,5-Difluoroindoline-2,3-dioneN-Chloroacetanilide5-Chlorovanillinchlorocyclopropane

Related reactions

439 records
New reaction record
HRID 1859 reaction equation
HRID 1859As reactantuspto-grants-1998_03
HRID 10317 reaction equation
HRID 10317As reactantuspto-grants-2006_08
HRID 10318 reaction equation
HRID 10318As reactantuspto-grants-2006_08
HRID 23385 reaction equation
HRID 23385As reactantuspto-grants-2005_02
HRID 23386 reaction equation
HRID 23386As reactantuspto-grants-2005_02
HRID 25969 reaction equation
HRID 25969As reactantuspto-grants-1979_04
HRID 28507 reaction equation
HRID 28507As reactantuspto-grants-2008_09
HRID 35215 reaction equation
HRID 35215As reactantuspto-grants-1988_08
Page 1 of 55

Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
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InChIKey
IXZDIALLLMRYOU-UHFFFAOYSA-N
SMILES
ClOC(C)(C)C
EWG's Food Scores
1 · 1
FDA UNII
2 JTI16JZ · LS2JTI16JZ
EPA Substance Registry System
1 · Hypochlorous acid, 1,1-dimethylethyl ester (507-40-4)
Symbol(GHS)
2 · GHS02,GHS05
Signal word
Danger
Hazard statements
225 · H225-H251-H314
Precautionary statements
210 · P210-P233-P235+P410-P240-P241+P242+P243-P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P370+P378-P403+P235-P405-P407-P420-P501
Risk Statements
36 · 36/37/38
Safety Statements
26 · 26-36/37/39
RIDADR
3255 · UN 3255
HazardClass
4.2 · 4.2
PackingGroup
I
HS Code
29209090 · 29209090
REACH Registrations
Active
· 1 item

TERT-BUTYL HYPOCHLORITE decomposes exothermically when exposed to UV light to give acetone and chloromethane. Glass containers have burst because of pressure buildup after exposure to fluorescent lighting or daylight. Reacts violently with rubber. Should not be heated to its boiling point.

DOT Hazard Classification · 5 items

tert-Butyl hypochlorite

UN3255

Div 4.2 Spontaneously combustible material (49 eCFR § 173.124)

Div 4.2 Spontaneously combustible material (49 eCFR § 173.124)

PG I: the degree of danger presented by the material is great

Air and Water ReactionsMay ignite on contact with air or moist air. May burn rapidly with flare-burning effect. Water insoluble. Decomposed exothermically by water with the evolution of toxic chlorine gas.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)

Safety & protection

Fire FightingExcerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:
Accidental Release Measures · 2 items

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

First Aid · 2 items

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:

General First Aid:

Exposure Control and Personal Protection· Wear positive pressure self-contained breathing apparatus (SCBA).
Nonfire Spill ResponseExcerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:
Isolation and Evacuation · 2 items

Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:

Immediate precautionary measure

Personal Protective Equipment (PPE)Excerpt from ERG Guide 135 [Substances - Spontaneously Combustible]:
Emergency Response Planning Guidelines· DO NOT USE WATER, CO2 OR FOAM ON MATERIAL ITSELF.

Safety data

ridadr
UN 3255
hs_code
29209090
risk_code
36/37/38
Signal word
Danger
Symbol(GHS)
GHS02,GHS05
safety_code
26-36/37/39
hazard_class
4.2
packing_group
I
Hazard statements
H225-H251-H314
REACH Registrations
Active
Precautionary statements
P210-P233-P235+P410-P240-P241+P242+P243-P260-P264-P280-P301+P330+P331+P310-P303+P361+P353+P310+P363-P304+P340+P310-P305+P351+P338+P310-P370+P378-P403+P235-P405-P407-P420-P501