Registration Dossier

Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
other: observation
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: acceptable company statement (specification data on manufactured product requires strict adherence to conform within range and so is reliable)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2017
Report Date:
2017

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
- Visual description of the colour (in daylight by an observer with normal colour vision) and the physical state (at 20°C and 1013 hPa)
- Determination of the odour at room temperature and comparison to other substances of characteristic odours
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder

Results and discussion

Physical state at 20°C and 1013 hPa:
solid
Form / colour / odour
Key result
Form:
solid: particulate/powder
Colour:
light brown
Odour:
other: low, smelly
Substance type:
organic

Applicant's summary and conclusion

Conclusions:
- physical state at 20°C and 1013 hPa: solid
- colour: light brown
- odour: low, smelly
Executive summary:

The visual description of the colour, the physical state (at 20°C and 1013 hPa) and the determination of the odour resulted in the following: the test substance 2-Butyne-1,4-diol, reaction products with 1,2-oxathiolane 2,2-dioxide and sodium hydroxide is a light brown solid with low, smelly odour (at 20°C and 1013 hPa).