Carbon black

Endpoint summary

Description of key information

CAS No. 1333-86-4; EC No 215-609-9
Form		Method	Carbon black (solid: nanoform, no surface treatment	Carbon black (solid: nanoform, surface-treated	Carbon black (solid: particulate/powder
Chemical composition			elemental carbon > 96%	elemental carbon > 80%	elemental carbon > 96%
Appearance /Physical State/Colour			Solid, black, odourless, powdery	Solid, black, odourless, powdery	Solid, black, odourless, powdery
Melting point		OECD TG 102	ca. 3600 °C	ca. 3600 °C	ca. 3600 °C
Boiling point			Ascertainment scientifically not necessary as carbon black is a solid with a melting point > 300 °C	Ascertainment scientifically not necessary as carbon black is a solid with a melting point > 300 °C	Ascertainment scientifically not necessary as carbon black is a solid with a melting point > 300 °C
Density		OECD TG 109	1.9 - 2.2 g/cm^3	1.9 - 2.04 g/cm^3	1. 7 - 1.9 g/cm^3
Particle size distribution		Diffraction light/laser scattering	particle size (D50) > 1 µm	particle size (D50) > 1 µm	particle size (D50) > 1 µm
Vapour Pressure			Ascertainment scientifically not necessary as carbon black (solid: nanoform, no surface treatment) is a solid with a melting point > 300 °C	Ascertainment scientifically not necessary carbon black (solid: nanoform, surface- treated) is a solid with a melting point > 300 °C	Ascertainment scientifically not necessary as carbon black (solid: particulate/powder) is a solid with a melting point > 300 °C
Partition Coefficient			Ascertainment is technically not feasible as carbon black (solid: nanoform, no surface treatment) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: nanoform, surface- treated) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: particulate/powder) is an insoluble inorganic solid
Solubility - Water		DIN EN 1484	< 1 mg/L	< 1 mg/L	< 1 mg/L
Solubility - Biological Solutions		OECD TG No 29/ECVAM validation SOP for Bioelution Testing of Metals/Inorganic Metal Compounds	< 1 mg/L	< 1 mg/L	< 1 mg/L
Solubility - organic solvents /fat			< 1 mg/L	< 1 mg/L	< 1 mg/L
Surface tension			Ascertainment scientifically not necessary because water solubility is less than 1 mg/L at 20°C	Ascertainment scientifically not necessary because water solubility is less than 1 mg/L at 20°C	Ascertainment scientifically not necessary because water solubility is less than 1 mg/L at 20°C
Flash point			Ascertainment is technically not feasible as carbon black (solid: nanoform, no surface treatment) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: nanoform, surface- treated) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: particulate/powder) is an insoluble inorganic solid
Auto flammability			Auto ignition temperature > 140 °C	Auto ignition temperature > 140 °C	Auto ignition temperature > 140 °C
Flammability		VDI 2263, UN Test N.1, UN Test N.4	not a self-heating solid as per UN Method N1 or UN Method N.4 Smouldering temperature	not a self-heating solid as per UN Method N1 or UN Method N.4	not a self-heating solid as per UN Method N1 or UN Method N.4
Explosiveness	Minimum Explosive Concentration (g/cm3)	ASTM E1515	> 50	> 50	> 50
	K max, Kst (bar m/sec)		30 -100 bar-m/sec, explosion class St 1	30 -100 bar-m/sec, explosion class St 1	9 - 50 bar-m/sec, explosion class St 1
	Pmax (bar)	ASTM 1226 - 10/Appendix C of the DIN EN 14034-1.	> 10	> 9	> 6
	Minimum Ignition Energy (kJ)	ASTM E2019 -03/VDI 2263, part 1, Section 1.3	> 1	> 1	> 1
	Minimum Ignition temperature (dispersed dust cloud)	ASTM 1491-97/BAM - oven/VDI 2263, part 1, Section 1.3	> 600 °C	> 600 °C	> 600 °C
	Minimum Ignition temperature (dust layer)	ASTM E2021-09/VDI 2263, part 1, Section 1.3	> 400 °C	> 600 °C	> 450 °C
	Flammability - Smouldering temperature	VDI 2263, part 1, section 1.3	> 400 °C	> 400 °C	> 400 °C
Oxidising properties		UN Test O.1	Not oxidizing in accordance with the test method UN O.1	Not oxidizing in accordance with the test method UN O.1	Not oxidizing in accordance with the test method UN O.1
Stability in organic solvents			Ascertainment is technically not feasible as carbon black (solid: nanoform, no surface treatment) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: nanoform, surface- treated) is an insoluble inorganic solid	Ascertainment is technically not feasible as carbon black (solid: particulate/powder) is an insoluble inorganic solid
pH value in aqueous dispersions			4 - 10	2 - 4	>4 - < 11
Dissociation constant			Ascertainment technically not feasible because carbon black is insoluble	Ascertainment technically not feasible because carbon black is insoluble	Ascertainment technically not feasible because carbon black is insoluble
Viscosity			Ascertainment is technically not feasible as carbon black (solid: nanoform, no surface treatment) is solid	Ascertainment is technically not feasible as carbon black (solid: nanoform, surface- treated) is solid	Ascertainment is technically not feasible as carbon black (solid: particulate/powder) is solid
Agglomeration/aggregation		Diffraction light/laser scattering	particle size (D50) > 1 µm	particle size (D50) > 1 µm	particle size (D50) > 1 µm
Phase		X-ray diffraction (XRD)	amorphous	amorphous	amorphous
Surface chemistry			hydrophobic	hydrophobic	hydrophobic
Dustiness		DIN 55992-1:2006	medium - high	medium - high	medium - high