Ethylcyclopentenolone / P2OASys / Media

Name

Ethylcyclopentenolone

CAS

21835-01-8

SDS Source

Sigma Aldrich

SDS Source URL

https://www.sigmaaldrich.com/US/en/sds/aldrich/w315230?userType=anonymous

SDS Date Year

2026

Assessment Information

Submitted by TURI staff for HSPiP chemical assessments

Uploaded By Email

Environmental Certification

Validated

Yes

Entries

72

Overall Score

4.80

Acute Human Effects Score

4

Chronic Human Effects Score

6

Ecological Hazards Score

3

Environmental Fate & Transport Score

5

Atmospheric Hazard Score

2

Physical Properties Score

6

Process Factors Score

6

Life Cycle Factors Score

6

Unit Data

{"2":{"value":"2","memo":"SDS","score":2},"5":{"value":"4","memo":"No data available","score":4},"7":{"value":"2","memo":"SDS","score":2},"8":{"value":"8900","memo":"SDS","score":2},"9":{"value":"2","memo":"SDS","score":2},"10":{"value":"2","memo":"SDS","score":2},"11":{"value":"2","memo":"SDS","score":2},"13":{"value":"4","memo":"No data available","score":4},"14":{"value":"2","memo":"SDS","score":2},"15":{"value":"2","memo":"SDS","score":2},"19":{"value":"4","score":4},"21":{"value":"4","score":4},"29":{"value":"4","memo":"Epi Suite","score":4},"30":{"value":"2","memo":"SDS","score":2},"33":{"value":"2","memo":"SDS","score":2},"34":{"value":"2","memo":"SDS","score":2},"35":{"value":"2","memo":"SDS","score":2},"36":{"value":"2","memo":"SDS","score":2},"38":{"value":"4","memo":"No data available","score":4},"39":{"value":"2","memo":"SDS","score":2},"40":{"value":"2","memo":"SDS","score":2},"41":{"value":"4","memo":"No data available","score":4},"42":{"value":"2","memo":"SDS","score":2},"43":{"value":"2","memo":"SDS","score":2},"50":{"value":"6","memo":"No data available","score":6},"51":{"value":"2","memo":"SDS","score":2},"52":{"value":"2","memo":"SDS","score":2},"58":{"value":"4","memo":"No data available","score":4},"59":{"value":"6","memo":"SDS","score":6},"64":{"value":"189","memo":"Epi Suite","score":2},"65":{"value":"76","memo":"Epi Suite","score":4},"66":{"value":"4","memo":"Epi Suite","score":4},"67":{"value":"2","memo":"Epi Suite","score":2},"68":{"value":"2","memo":"Epi Suite","score":2},"70":{"value":"62","memo":"Epi Suite","score":2},"71":{"value":"2","memo":"Epi Suite","score":2},"72":{"value":"2","memo":"Epi Suite","score":2},"73":{"value":"2","memo":"Epi Suite","score":2},"77":{"value":"15","memo":"Epi Suite","score":6},"79":{"value":"0.062083","memo":"Epi Suite","score":4},"81":{"value":"30","memo":"Epi Suite","score":6},"83":{"value":"6","memo":"Epi Suite","score":6},"88":{"value":"4","memo":"Epi Suite","score":4},"89":{"value":"0.876","memo":"SDS","score":2},"90":{"value":"5.191","memo":"Epi Suite","score":2},"92":{"value":"2","memo":"SDS","score":2},"94":{"value":"2","memo":"SDS","score":2},"96":{"value":"2","memo":"SDS","score":2},"97":{"value":"2","memo":"SDS","score":2},"98":{"value":"2","memo":"SDS","score":2},"99":{"value":"2","memo":"SDS","score":2},"100":{"value":"2","memo":"SDS","score":2},"101":{"value":"2","memo":"SDS","score":2},"102":{"value":"0.00103","memo":"Epi Suite","score":2},"103":{"value":"4","memo":"Epi Suite","score":4},"104":{"value":"2","memo":"SDS","score":2},"105":{"value":"2","memo":"SDS","score":2},"106":{"value":"110","memo":"SDS","score":2},"107":{"value":"2","memo":"SDS","score":2},"110":{"value":"6","score":6},"111":{"value":"8","memo":"H241","score":8},"125":{"value":"6","score":6},"126":{"value":"6","score":6},"131":{"value":"6","score":6},"132":{"value":"6","score":6},"143":{"value":"6","score":6},"146":{"value":"6","score":6},"147":{"value":"6","score":6},"148":{"value":"6","score":6},"154":{"value":"2","memo":"SDS","score":2},"161":{"value":"2","memo":"SDS","score":2},"164":{"value":"8","memo":"SDS","score":8}}

LC50 ppm

Memo for LC50 ppm

Vapor GHS Category Level

Memo for Vapor GHS Category Level

mg/l gas/vapor

Memo for mg/l gas/vapor

mg/l dust/mist/fume

Memo for mg/l dust/mist/fume

Key Phrases

Memo for Key Phrases

Solid GHS Category Level

Memo for Solid GHS Category Level

GHS H Phrases

Memo for GHS H Phrases

LD50 mg/kg

Memo for LD50 mg/kg

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category Level

Memo for GHS Category Level

LD50 mg/kg

Memo for LD50 mg/kg

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category Level

Memo for GHS Category Level

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category Level

Memo for GHS Category Level

Key Phrases

Memo for Key Phrases

GHS Category Level

Memo for GHS Category Level

GHS H Phrases

Memo for GHS H Phrases

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category Level

Memo for GHS Category Level

PEL/TLV ppm

Memo for PEL/TLV ppm

PEL/TLV (dusts/particles) mg/m3

Memo for PEL/TLV (dusts/particles) mg/m3

GHS Category Level

Memo for GHS Category Level

ppm

Memo for ppm

NFPA/HMIS 0,1,2,3,4

Memo for NFPA/HMIS 0,1,2,3,4

IARC Category

Memo for IARC Category

EPA CLASS Category

Memo for EPA CLASS Category

ACGIH Category

Memo for ACGIH Category

OSHA Category

Memo for OSHA Category

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category

Memo for GHS Category

Prop 65 Category

Memo for Prop 65 Category

Key Phrases

Memo for Key Phrases

GHS H Phrase

Memo for GHS H Phrase

GHS Category

Memo for GHS Category

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category

Memo for GHS Category

Prop 65 Category

Memo for Prop 65 Category

GHS Category - STOT - Single Exposure

Memo for GHS Category - STOT - Single Exposure

GHS Category - STOT - Repeated Exposure

Memo for GHS Category - STOT - Repeated Exposure

Key Phrases

Memo for Key Phrases

GHS H Phrase

Memo for GHS H Phrase

Asthmagen Type (AOEC Database)

Memo for Asthmagen Type (AOEC Database)

Key Phrases

Memo for Key Phrases

GHS H Phrase

Memo for GHS H Phrase

GHS Category

Memo for GHS Category

EU - Priority Endocrine Disruptor

Memo for EU - Priority Endocrine Disruptor

EU - SVHC

Memo for EU - SVHC

ChemSec - SIN

Memo for ChemSec - SIN

OSPAR

Memo for OSPAR

TEDX

Memo for TEDX

Key Phrases

Memo for Key Phrases

Key Phrases

Memo for Key Phrases

GHS H-Phrase - Single Exposure

Memo for GHS H-Phrase - Single Exposure

GHS Category - STOT -Single Exposure

Memo for GHS Category - STOT -Single Exposure

GHS H-Phrase - Repeated Exposure

Memo for GHS H-Phrase - Repeated Exposure

GHS Category - STOT - Repeated Exposure

Memo for GHS Category - STOT - Repeated Exposure

Acute Fish LC50 (mg/l)

Memo for Acute Fish LC50 (mg/l)

Acute Algae (or other aquatic plant) EC50 (mg/l)

Memo for Acute Algae (or other aquatic plant) EC50 (mg/l)

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category level

Memo for GHS Category level

NOEC (NOAEC) or ECx (mg/l)

Memo for NOEC (NOAEC) or ECx (mg/l)

ChV mg/l

Memo for ChV mg/l

Key Phrases

Memo for Key Phrases

GHS H Phrases

Memo for GHS H Phrases

GHS Category

Memo for GHS Category

mg/l

Memo for mg/l

Key Phrases

Memo for Key Phrases

GHS Category level

Memo for GHS Category level

Water t1/2 Days

Memo for Water t1/2 Days

Water Signal Words

Memo for Water Signal Words

Air t1/2 Days

Memo for Air t1/2 Days

Air Signal Words

Memo for Air Signal Words

Soil/Sediment t1/2 Days

Memo for Soil/Sediment t1/2 Days

Soil/Sediment Signal Words

Memo for Soil/Sediment Signal Words

Key Phrases

Memo for Key Phrases

28-day Study: % Breakdown Dissolved Organic Carbon

Memo for 28-day Study: % Breakdown Dissolved Organic Carbon

28-day Study: % Based on O2 or CO2

Memo for 28-day Study: % Based on O2 or CO2

BOD Half-life (days)

Memo for BOD Half-life (days)

Hydrolysis Half-life (days)

Memo for Hydrolysis Half-life (days)

Key Phrases

Memo for Key Phrases

Log Kow / Pow

Memo for Log Kow / Pow

BAF/BCF (l/kg)

Memo for BAF/BCF (l/kg)

On Canada EPA Domestic Substances List

Memo for On Canada EPA Domestic Substances List

Key Phrases

Memo for Key Phrases

GWP Relative to CO2

Memo for GWP Relative to CO2

Y/N

Memo for Y/N

ODP Units

Memo for ODP Units

GHS H Phrase

Memo for GHS H Phrase

Ozone Classification

Memo for Ozone Classification

Y/N

Memo for Y/N

Key Phrases

Memo for Key Phrases

Y/N

Memo for Y/N

Key Phrases

Memo for Key Phrases

mm Hg

Memo for mm Hg

NFPA/HMIS 0,1,2,3,4

Memo for NFPA/HMIS 0,1,2,3,4

GHS H Phrase

Memo for GHS H Phrase

GHS Category level

Memo for GHS Category level

deg C

Memo for deg C

Key Phrases

Memo for Key Phrases

GHS H Phrase

Memo for GHS H Phrase

GHS Category Level

Memo for GHS Category Level

NFPA/HMIS 0,1,2,3,4

Memo for NFPA/HMIS 0,1,2,3,4

GHS H Phrase

Memo for GHS H Phrase

GHS Category Level

Memo for GHS Category Level

pH Units

Memo for pH Units

Key Phrases

Memo for Key Phrases

Key Phrases

Memo for Key Phrases

GHS Category Level

Memo for GHS Category Level

Key Phrases

Memo for Key Phrases

g/l

Memo for g/l

WBGT, deg C

Memo for WBGT, deg C

dBA/hr

Memo for dBA/hr

Class 1 Small Machine (mm/s)

Memo for Class 1 Small Machine (mm/s)

Class 2 Medium Machine (mm/s)

Memo for Class 2 Medium Machine (mm/s)

Class 3 Large Rigid Foundation (mm/s)

Memo for Class 3 Large Rigid Foundation (mm/s)

Class 4 Large Soft Foundation (mm/s)

Memo for Class 4 Large Soft Foundation (mm/s)

Occurence

Memo for Occurence

Hazard Level

Memo for Hazard Level

Work Overload and Pace: Work Load

Memo for Work Overload and Pace: Work Load

Work Overload and Pace: Machine Pacing

Memo for Work Overload and Pace: Machine Pacing

Work Overload and Pace: Time Constraints

Memo for Work Overload and Pace: Time Constraints

Work Schedule: Shift Work

Memo for Work Schedule: Shift Work

Work Schedule: Work Isolation

Memo for Work Schedule: Work Isolation

Control

Memo for Control

Work Environment and Equipment: Equipment Stability

Memo for Work Environment and Equipment: Equipment Stability

Work Environment and Equipment: Work Space

Memo for Work Environment and Equipment: Work Space

Pressure (Delta % Change From Ambient)

Memo for Pressure (Delta % Change From Ambient)

Temperature (Delta % Change From Ambient)

Memo for Temperature (Delta % Change From Ambient)

% Water Change

Memo for % Water Change

Reuse

Memo for Reuse

% Energy Change

Memo for % Energy Change

% Renewable Energy

Memo for % Renewable Energy

Occurence: Near Certain

Memo for Occurence: Near Certain

Occurence: Highly Likely

Memo for Occurence: Highly Likely

Occurence: Likely

Memo for Occurence: Likely

Occurence: Unlikely

Memo for Occurence: Unlikely

Occurence: Remote

Memo for Occurence: Remote

Key Phrases

Memo for Key Phrases

Key Phrases

Memo for Key Phrases

Key Phrases

Memo for Key Phrases

Pounds

Memo for Pounds

% Recyclable at End of Life

Memo for % Recyclable at End of Life

Uses Products With % Recycled Material

Memo for Uses Products With % Recycled Material

% Renewable Materials

Memo for % Renewable Materials

Key Words

Memo for Key Words

Default object view. Click to create a custom template, Node ID: 39152, Object ID: 60901

Ethylcyclopentenolone