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Hazardous Chemical Information System (HCIS)




Hazardous Chemical Details

Cas Number 96-29-7
Chemical Name 2-butanone oxime
Chemical Synonym ethyl methyl ketoxime
ethyl methyl ketone oxime
MEKO
Hazard Category Acute toxicity (ingestion) - category 3
Acute toxicity (dermal) - category 4
Skin sensitisation – category 1
Eye damage – category 1
Skin irritation – category 2
Specific target organ toxicity (single exposure) – category 3
Specific target organ toxicity (single exposure) – category 1
Specific target organ toxicity (repeated exposure) – category 2
Carcinogenicity – category 1B
Hazard Statement H301 (Toxic if swallowed)
H312 (Harmful in contact with skin)
H317 (May cause an allergic skin reaction)
H318 (Causes serious eye damage)
H315 (Causes skin irritation)
H336 (May cause drowsiness or dizziness)
H370 (Causes damage to organs - upper respiratory tract)
H373 (May cause damage to organs through prolonged or repeated exposure - blood system)
H350 (May cause cancer)
Pictogram Pictogram of Skull and Crossbones GHS06 (Skull and Crossbones)
Pictogram of Corrosion GHS05 (Corrosion)
Pictogram of Health Hazard GHS08 (Health Hazard)
Signal Word Danger
Cut-offs
Notes 8 (The tables in schedule 6 of the WHS regulations replace some tables in the GHS, this may affect the cut off concentrations for this chemical.)
Sources A (The classification information for this entry was provided by the Australian Industrial Chemicals Introduction Scheme)

Hazardous Chemical History

Date Description
27/09/2024 Sources modified from
[]
to
[A]
27/09/2024 CutOffs modified from
[

Dermal: ATE = 1100 mg/kg

]
to
[]
Hazard Category modified from
[HC077:Acute toxicity (dermal) - category 4,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1,
HC102:Carcinogenicity – category 2]

to
[HC071:Acute toxicity (ingestion) - category 3,
HC077:Acute toxicity (dermal) - category 4,
HC092:Skin sensitisation – category 1,
HC085:Eye damage – category 1,
HC083:Skin irritation – category 2,
HC110:Specific target organ toxicity (single exposure) – category 3,
HC108:Specific target organ toxicity (single exposure) – category 1,
HC112:Specific target organ toxicity (repeated exposure) – category 2,
HC101:Carcinogenicity – category 1B]

Pictogram modified from
[GHS07,GHS05,GHS08]
to
[GHS06,GHS05,GHS08]
Hazard Statement modified from
[H312 Harmful in contact with skin;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction;
H351 Suspected of causing cancer]
to
[H301 Toxic if swallowed;
H312 Harmful in contact with skin;
H317 May cause an allergic skin reaction;
H318 Causes serious eye damage;
H315 Causes skin irritation;
H336 May cause drowsiness or dizziness;
H370 Causes damage to organs - upper respiratory tract;
H373 May cause damage to organs through prolonged or repeated exposure - blood system;
H350 May cause cancer]
Sources modified from
[N,EU]
to
[]
08/04/2022 CutOffs modified from
[]
to
[

Dermal: ATE = 1100 mg/kg

]
Pictogram modified from
[GHS07,GHS05,GHS08]
to
[GHS05,GHS07,GHS08]
Sources modified from
[N]
to
[N,EU]
08/04/2022 CutOffs modified from
[

Dermal: ATE = 1100 mg/kg bw
Oral: ATE = 100 mg/kg bw

]
to
[]
Pictogram modified from
[GHS07,GHS05,GHS08]
to
[GHS05,GHS07,GHS08]
08/04/2022 Synonym modified from
[ ethyl methyl ketoxime;
ethyl methyl ketone oxime;
butanone oxime]
to
[ ethyl methyl ketoxime;
ethyl methyl ketone oxime;
MEKO]
Hazard Category modified from
[HC101:Carcinogenicity – category 1B,
HC077:Acute toxicity (dermal) - category 4,
HC071:Acute toxicity (ingestion) - category 3,
HC110:Specific target organ toxicity (single exposure) – category 3,
HC108:Specific target organ toxicity (single exposure) – category 1,
HC112:Specific target organ toxicity (repeated exposure) – category 2,
HC083:Skin irritation – category 2,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1]

to
[HC077:Acute toxicity (dermal) - category 4,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1,
HC102:Carcinogenicity – category 2]

Pictogram modified from
[GHS08,GHS05,GHS06]
to
[GHS05,GHS07,GHS08]
Hazard Statement modified from
[H350 May cause cancer;
H312 Harmful in contact with skin;
H301 Toxic if swallowed;
H336 May cause drowsiness or dizziness;
H370 Causes damage to the upper respiratory tract;
H373 May cause damage to the blood system through prolonged or repeated exposure;
H315 Causes skin irritation;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction]
to
[H312 Harmful in contact with skin;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction;
H351 Suspected of causing cancer]
Sources modified from
[EU]
to
[N]
08/04/2022 CutOffs modified from
[]
to
[

Dermal: ATE = 1100 mg/kg bw
Oral: ATE = 100 mg/kg bw

]
Synonym modified from
[ ethyl methyl ketoxime;
ethyl methyl ketone oxime]
to
[ ethyl methyl ketoxime;
ethyl methyl ketone oxime;
butanone oxime]
Hazard Category modified from
[HC102:Carcinogenicity – category 2,
HC062:Acute toxicity – category 4,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1]

to
[HC071:Acute toxicity (ingestion) - category 3,
HC077:Acute toxicity (dermal) - category 4,
HC083:Skin irritation – category 2,
HC085:Eye damage – category 1,
HC092:Skin sensitisation – category 1,
HC101:Carcinogenicity – category 1B,
HC108:Specific target organ toxicity (single exposure) – category 1,
HC110:Specific target organ toxicity (single exposure) – category 3,
HC112:Specific target organ toxicity (repeated exposure) – category 2]

Pictogram modified from
[GHS08,GHS05,GHS07]
to
[GHS05,GHS06,GHS08]
Hazard Statement modified from
[H351 Suspected of causing cancer;
H312 Harmful in contact with skin;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction]
to
[H350 May cause cancer;
H312 Harmful in contact with skin;
H301 Toxic if swallowed;
H336 May cause drowsiness or dizziness;
H370 Causes damage to the upper respiratory tract;
H373 May cause damage to the blood system through prolonged or repeated exposure;
H315 Causes skin irritation;
H318 Causes serious eye damage;
H317 May cause an allergic skin reaction]
23/06/2016 Chemical Added



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