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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

Diss Factsheets

Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

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Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
Qualifier:
according to guideline
Guideline:
other: DIN ISO 4630 (colour)
Version / remarks:
estimation of colour of clear liquids by the Gardner colour scale
GLP compliance:
no
Specific details on test material used for the study:
- Name of test material (as cited in study report): Novares TL 10; CAS-no. 71392-83-5 (Hydrocarbons, C9- unsaturated, polymerized)
- Composition of test material, percentage of components: see Section 1.2 Composition
- Stability under test conditions: no measured data; based on chemical structure assumed to be stable
- Storage condition of test material: room temperature, exclusion of light



Physical state at 20°C and 1013 hPa:
liquid
Key result
Form:
liquid: viscous
Colour:
light to brownish yellow (Gardner colour 6 to 11)
Odour:
other: slightly aromatic
Substance type:
organic
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
Qualifier:
according to guideline
Guideline:
other: DIN ISO 4630 (colour)
Version / remarks:
estimation of colour of clear liquids by the Gardner colour scale
GLP compliance:
no
Specific details on test material used for the study:
- Name of test material (as cited in study report): Novares L 100; CAS-no. 71302-83-5 (Hydrocarbons, C9- unsaturated, polymerized)
- Composition of test material, percentage of components: see Section 1.2 Composition
- Stability under test conditions: no measured data; based on chemical structure assumed to be stable
- Storage condition of test material: room temperature, exclusion of light
Physical state at 20°C and 1013 hPa:
liquid
Key result
Form:
liquid
Colour:
colourless to slightly yellow (Gardner colour 1 to 5)
Odour:
other: slightly aromatic
Substance type:
organic
Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6303 (Physical State)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.6304 (Odor)
Qualifier:
according to guideline
Guideline:
other: DIN ISO 4630 (colour)
Version / remarks:
estimation of colour of clear liquids by the Gardner colour scale
GLP compliance:
no
Specific details on test material used for the study:
- Name of test material (as cited in study report): Novares L 800; CAs-no. 71392-83-5 (Hydrocarbons, C9- unsaturated, polymerized)
- Composition of test material, percentage of components: see Section 1.2 Composition
- Stability under test conditions: no measured data; based on chemical structure assumed to be stable
- Storage condition of test material: room temperature, exclusion of light
Physical state at 20°C and 1013 hPa:
liquid
Key result
Form:
liquid
Colour:
yellow to brown (Gardner colour 7 to 15)
Odour:
other: slightly aromatic
Substance type:
organic

Description of key information

At 20 °C and 1013 hPa, the UVBC substance ‘Naphtha (petroleum), steam-cracked, C8-10 aromatic hydrocarbon fraction, alkylated and oligomerised’ (NAF-AO) (see Chap. 1) is a liquid of varying viscosity with a slightly aromatic odour and ranging in colour from colourless/pale yellow to brown.

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
liquid

Additional information

Several batches of the substance NAF-AO were analysed for physical state, colour, and odour according to national test guidelines (EPA OPPTS 830.603 and 830.6304 and DIN ISO 4630, respectively). The results demonstrated the substance to be a liquid with differing viscosity, a slightly aromatic odour and a colour varying from colourless/pale yellow to brown.