1H-Pyrazole-1-carboxamidine hydrochloride

Name

CAS

4023-02-3

SDS Source

Sigma Aldrich

SDS Source URL

https://www.sigmaaldrich.com/US/en/sds/aldrich/402516

SDS Date Year

2025

Assessment Information

HPCFor synthesis

Uploaded By Email

gabriel_salierno@uml.edu

Environmental Certification

Validated

Yes

Entries

Overall Score

6.60

Acute Human Effects Score

Chronic Human Effects Score

Ecological Hazards Score

Environmental Fate & Transport Score

Atmospheric Hazard Score

Physical Properties Score

Process Factors Score

Life Cycle Factors Score

Unit Data

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LC50 ppm

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Vapor GHS Category Level

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mg/l gas/vapor

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mg/l dust/mist/fume

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Solid GHS Category Level

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GHS H Phrases

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LD50 mg/kg

500

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GHS Category Level

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LD50 mg/kg

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GHS H Phrases

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GHS Category Level

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GHS Category Level

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GHS Category Level

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GHS H Phrases

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GHS H Phrases

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GHS Category Level

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PEL/TLV ppm

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PEL/TLV (dusts/particles) mg/m3

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GHS Category Level

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ppm

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

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IARC Category

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EPA CLASS Category

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ACGIH Category

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OSHA Category

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GHS H Phrases

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GHS Category

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Prop 65 Category

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GHS H Phrase

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GHS Category

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GHS H Phrases

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GHS Category

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Prop 65 Category

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GHS Category - STOT - Single Exposure

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GHS Category - STOT - Repeated Exposure

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Asthmagen Type (AOEC Database)

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GHS H Phrase

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GHS Category

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EU - Priority Endocrine Disruptor

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EU - SVHC

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ChemSec - SIN

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OSPAR

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TEDX

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Key Phrases

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GHS H-Phrase - Single Exposure

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GHS Category - STOT -Single Exposure

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GHS H-Phrase - Repeated Exposure

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GHS Category - STOT - Repeated Exposure

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Acute Fish LC50 (mg/l)

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

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GHS H Phrases

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GHS Category level

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NOEC (NOAEC) or ECx (mg/l)

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ChV mg/l

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GHS Category

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mg/l

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GHS Category level

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Water t1/2 Days

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Water Signal Words

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Air t1/2 Days

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Air Signal Words

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Soil/Sediment t1/2 Days

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Soil/Sediment Signal Words

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Key Phrases

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28-day Study: % Breakdown Dissolved Organic Carbon

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28-day Study: % Based on O2 or CO2

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BOD Half-life (days)

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BIOWIN

Hydrolysis Half-life (days)

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Key Phrases

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Log Kow / Pow

-0.38

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KOAWIN

BAF/BCF (l/kg)

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On Canada EPA Domestic Substances List

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GWP Relative to CO2

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Y/N

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ODP Units

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GHS H Phrase

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Ozone Classification

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Y/N

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SDS NOx

Y/N

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mm Hg

0.06

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

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GHS H Phrase

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GHS Category level

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deg C

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GHS H Phrase

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GHS Category Level

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

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GHS H Phrase

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GHS Category Level

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pH Units

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pH 5

Key Phrases

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Key Phrases

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GHS Category Level

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g/l

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WBGT, deg C

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dBA/hr

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Class 1 Small Machine (mm/s)

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Class 2 Medium Machine (mm/s)

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Class 3 Large Rigid Foundation (mm/s)

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Class 4 Large Soft Foundation (mm/s)

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Occurence

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Hazard Level

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Work Overload and Pace: Work Load

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Work Overload and Pace: Machine Pacing

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Work Overload and Pace: Time Constraints

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Work Schedule: Shift Work

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Work Schedule: Work Isolation

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Control

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Work Environment and Equipment: Equipment Stability

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Work Environment and Equipment: Work Space

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Pressure (Delta % Change From Ambient)

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Temperature (Delta % Change From Ambient)

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% Water Change

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Reuse

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% Energy Change

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% Renewable Energy

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Occurence: Near Certain

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Occurence: Highly Likely

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Occurence: Likely

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Occurence: Unlikely

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Occurence: Remote

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Key Phrases

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Pounds

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% Recyclable at End of Life

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Uses Products With % Recycled Material

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% Renewable Materials

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Key Words

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1H-Pyrazole-1-carboxamidine hydrochloride