Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 204-473-6 | CAS number: 121-47-1
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms, other
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
Materials and methods
- Principles of method if other than guideline:
- Study conducted according to Bringmann and Kuehn
- GLP compliance:
- no
Test material
- Reference substance name:
- 3-aminobenzenesulphonic acid
- EC Number:
- 204-473-6
- EC Name:
- 3-aminobenzenesulphonic acid
- Cas Number:
- 121-47-1
- Molecular formula:
- C6H7NO3S
- IUPAC Name:
- 3-aminobenzene-1-sulfonic acid
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Pseudomonas putida
- Details on inoculum:
- - Strain: DSM 50026
- Culture medium: AK-Medium according to DIN 38412 part 8 (draft)
- Temperature: 24°C
- Duration of growth: 7 +/-1 h
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 17 h
Test conditions
- Test temperature:
- 20°C
- pH:
- 3.4 - 6.3
- Nominal and measured concentrations:
- - Concentrations tested (nominal): 7.81, 15.625, 31.25, 62.5, 125, 250, 500 and 1000 mg/L
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 17 h
- Dose descriptor:
- EC10
- Effect conc.:
- 156.9 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Duration:
- 17 h
- Dose descriptor:
- EC50
- Effect conc.:
- 199.5 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Duration:
- 17 h
- Dose descriptor:
- other: EC90
- Effect conc.:
- 242.1 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
Any other information on results incl. tables
- Decrease of pH-value at test concentrations > 125 mg/L:
Conc. (mg/L) pH
7.81 6.3
15.625 6.2
31.25 6.3
62.5 6.1
125 6.0
250 4.3
500 3.8
1000 3.4
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
