Introduction Of Carbon black(CAS No.: 1333-86-4)

Carbon black (CAS no 1333-86-4), a form of amorphous carbon, is a kind of black pellet or powder and it mainly consists of carbon element. This material could be produced from the incomplete combustion or thermal decomposition of hydrocarbon compoud with solid, liquid, and gaseous state.

Carbon black can be used as a pigment in inks, coatings and plastics. For example, it could be added to polypropylene because it absorbs ultraviolet radiation which could cause the material to degrade.

Besides, used in reinforcing phase in automobile tires, this chemical could help conduct heat away from the tread and belt area of the tire, reducing the thermal damage and increasing tire life. Carbon black particles are also employed in some radar absorbent materials and in photocopier and laser printer toner. Carbon black from vegetable origin is used as a food coloring, and it is also known as additive E153 in Europe.

[Basic information]:

With its molecular formula of C and molecular weight of 12.01, its systematic name of Carbon black is carbon. With the CAS registry number 1333-86-4, it is also named as Pigment black 6. With other registry numbers like 101239-80-9, 106907-70-4, it belongs to the product categories which are including Industrial/Fine Chemicals; Inorganic Chemicals; UVCBs-Organic; Activated Carbon; Packed GC and others. If you use and store it according to the specification, it will not decompose. When you need to store it, please keep it sealed in the storage vessel in the dry and well-ventilated place with its best storage life of one year to one year and half, or ensure that the workshop is equipped with ventilation or exhaust device. 

1. Properties
The other characteristics of this product can be summarized as: (1)EINECS: 215-609-9; (2)Density: ~1.7 g/mL at 25 °C; (3)Melting Point: 3550 °C; (4)Boiling Point: 500-600 °C; (5)Flash Point: >230 °F; (6)Enthalpy of Vaporization: 11.28 kJ/mol; (7)Vapour Pressure: 205000 mmHg at 25 °C.

2. Preparation
Carbon black could be produced from the following ways:

1. Natural gas channel process: Prepare the natural gas as the main material, and then go through the following list of chemical reaction: raw material gas, air-combustion and splitting-collecting-granulation-packing-finished product. And the chemical equation is as below: CnHm→nC+m/2H2↑.

2. HC(hydrocarbon): Hydrocarbon (natural gas, solid alkene) go through the process of incomplete combustion, splitting decomposition, or oxidation to produce this product.

3. Carbureted hydrogen method: Prepare the raw material of carbureted hydrogen with solid, liquid or gaseous state and then go through the process of incomplete combustion, splitting decomposition, or oxidation with defined amount of air in the considerate temperature. Among the three material, gas raw material is the best one. At the moment, the most used industrial way is as below: Firstly, prepare the material of natural gas, acetylene gas and anthracene oil, and secondly make it spout from the special nozzles mouth with pressure, and then go through the process of combustion, splitting and grinding to get this product.

3. Safety Information
When you are dealing with this chemical, you should be careful.

For one thing, this chemical is irritating to eyes and respiratory system and may may cause inflammation to the skin or other mucous membranes. For another thing, it is harmful which may cause damage to health.  Limited evidence of a carcinogenic effect. What's more, it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water. When to be uses, it may form flammable/explosive vapour-air mixture.

According to the above dangers, you could take the following measures. You should wear suitable protective clothing and if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. And avoid contacting with skin and eyes and do not breathe dust while using.

4. Descriptors Of Structure
(1)SMILES:C
(2)InChI:InChI=1/C
(3)InChIKey:OKTJSMMVPCPJKN-UHFFFAOYAS
(4)Std. InChI:InChI=1S/C
(5)Std. InChIKey:OKTJSMMVPCPJKN-UHFFFAOYSA-N 

 5. Toxicity

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	skin	> 3gm/kg (3000mg/kg)		Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 15(Suppl,
rat	LD50	oral	> 15400mg/kg (15400mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)	Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 15(Suppl,

[Specification]:

Carbon black differs in color depth, appearance and proportion if produced by different manufacturing processes. And by now the production processes of this chemical are mainly the below three ways: furnace black process, thermal black process and channel process. With our advanced technologies in dealing with varieties of carbon black, our company could provide the carbon black products with high quality and the main products are as below:

1. N115 carbon black
(1)This product is used in the truck tire, passenger tire tread rubber and so on, and it could also be used in the high strength, high wear-resistant rubber products, such as high-strength conveyor belt, industrial rubber products.
(2)The N115 carbon black has the smallest partical size in the carbon black series used in rubber and it is one of the best variety which has the highest reinforcing performance and wear-resisting performance. However, it is difficult in scattering, so it should be spreaded well-distributed to prevent the heat being too high. You could also add anti-coke agents or mix it with other carbon black to prevent the coke burning.

2. N121 carbon black
(1)This product is mainly used in tire tread, especially in high-speed passenger car tire tread.
(2)This product has the better wear resistance than N220. In the N110 series carbon black, this product has better performance in the processing.

3. N134 carbon black
(1)This product is mainly used in trucks, buses and high-performance passenger car tire tread compound.
(2)This product has the best wear resistance and it is much easier in dispersing than N110.

4. N220 carbon black
(1)This product is used in the truck tire, passenger tire tread rubber, and other rubber products which require high strength and wear-resistant, such as high-strength conveyor belt, industrial rubber products.
(2)This product is applied in all kinds of rubber. The rubber material containing N20 has higher wear resistance (about 10% to 20%) than containing N330. And it could enable rubber material to have better tensile strength and tear resistance, and it has certain conductivity while with high heat and hardness.

5. N234 carbon black
(1)This product is used in high-speed tire tread and high-quality rubber products.
(2)This product has the better wear resistance than N220, N242 and N339 and its wear resistance is 10% higher than N220's. When used in high-demanding condition, it could show its wear resistance better. With good adhesive materials processing performance, it is widely applied in all kinds of rubber and the surface it press is smooth. However, it also has the weakness, such as with higher generating heat and high hysteresis loss.

6. N326 carbon black
(1)This product is mainly used in the rubber tread material of tire which requires high strength and low heat and it could also be used in conveyor belt, sealing products and other high-quality rubber products.
(2)The rubber using this product always has the properties of high tensile strength, tearing strength, wear resistance and anti-collapse performance. Compared with other high-temperature grinding furnace black, rubber with this product has the low modulus and high elongation. However, it has difficulty in dispersing in rubber and it will reduce the tensile strength, abrasion performance and using life of the rubber material if not scattered well.

7. N330 carbon black
(1)This product is used in the tire tread, cord rubber, tires and various rubber industrial products.
(2)This product has the good performance in reinforcement. It could enable rubber material with strong elongation, high tear resistance, good abrasive resistance and elasticity. The rolling loss (hysteresis loss) of riding tire using this product is smaller than other products, just much bigger than N351. Widely applied in all kinds of synthetic and natural rubber, this product has better properties in dispersing and extrusion.

8. N339 carbon black
(1)This product is used in riding tires, card tire tread rubber, rubber conveyor belt covers, hose, and the rubber industrial products which needs high abrasion resistance.
(2)The reinforcement, wear-resisting and anti-gap properties of this product is close to that of N220, and it has good squeezing performance. This product perfomances better especially when applied in mixed system of butadiene styrene rubber and butadiene rubber. However, when used in producing the tread material, it has the highest rolling resistance in N330 series.

9. N375 carbon black
(1)The purpose of this product is basically the same with the N339, which is mainly used in saloon car, load tire and cross-country tire surface glue material, and also used in conveyer belt cover glue.
(2)With the much lower structure and vulcanization heat than N339, the basic usage and function of this prodcut are nealy the same with N339.

10. N550 carbon black
(1)This product is used in the tire ply, sidewall and the pressing products.
(2)Usually applied in the natural and synthetic rubber, this product is easily dispersed and it could enable rubber material with high elasticity, good squeezing speed, smooth pressing surface and small embouchure expansion. And  the rubber material using this product will have good high temperature resistance, heat-conducting property, good reinforcing function and elasticity. Besides, it will be better if mixed with N660 when used in butyl rubber inner tube.

11. N660 carbon black
(1)This product is used in the tire belt layer or casing ply, inner tubes, bicycle tires, rubber hose, adhesive tape, cable, footwear and calendered products, and model products.
(2)Widely aplied in all kinds of rubber, this produce has higher structure and smaller particles when compared with half repairs strong carbon black. This product is easily dispersed in rubber, and it has high tensile strength, warping strength and modulus while with low heat and elongation.

[Technical Indicators]:

Carbon black has the highest use as the reinforcing filler in rubber products. The diversity of all kinds of carbon black performances mainly in the following aspects, superficial area (or particle size), aggregating form, the quality & distribution of particles and chemical components. And you could refer to the below technical indicator if comes to application of different carbon black in rubber.

GB 3778-2003              CARBON BLACK FOR RUBBER TECHNICAL INDICATORS

VARIETY

N110

N115

N121

N134

N219

N220

N234

N293

N299

N326

N330

INDICATORS

PROJECT

Indine Adsorption Number

superior

145±6

160±6

121±5

142±6

118±5

121±5

120±5

145±6

108±5

82±5

82±5

qualified

145±8

160±8

121±7

142±8

118±7

121±7

120±7

145±8

108±7

82±7

82±7

DBP Adsorpton Number

superior

113±5

113±5

132±6

127±5

78±5

114±5

125±5

100±5

124±5

72±5

102±5

qualified

113±7

113±7

132±8

127±7

78±7

114±7

125±7

100±7

124±7

72±7

102±7

DBP Adsorpton Number of Compressed Sample 10-5m3/kg

superior

92～102

92～102

106～116

98～108

70～80

93～103

97～107

83～93

99～109

64～72

83～93

qualified

89～105

89～105

103～119

95～111

67～91

90～106

94～110

80～96

96～112

62～74

80～96

103m2/kg CTAB Surface Area

superior

120～132

122～134

115～127

127～141

101～113

105～117

113～125

108～120

98～110

77～89

76～88

qualified

117～135

119～137

112～130

124～144

98～116

102～120

110～128

105～123

95～113

74～92

73～91

STSA 103m2/kg

superior

115±5

124±5

114±5

137±5

106±5

112±5

111±5

97±5

76±5

75±5

qualified

115±9

124±9

114±9

137±9

106±9

112±9

111±9

97±9

76±9

75±9

Nitrogen Surface Area 103m2/kg

superior

122～132

131～143

117～127

137～149

111～121

114～124

114～124

117～127

99～109

73～83

73～83

qualified

120～134

129～145

115～129

135～151

109～123

112～126

112～126

115～129

97～111

71～85

71～85

Tint strength

superior

118～128

118～128

114～124

126～136

118～128

111～121

118～128

115～125

108～118

106～116

99～109

qualified

115～131

115～131

111～127

123～139

115～131

108～124

115～131

112～128

105～121

103～119

96～112

Heating Loss

qualified

3

2.5

Ash Content

qualified

0.7

45 um Sieve Residue

superior

0.05

qualified

0.1

500 um Sieve Residue

qualified

0.001

Ispurity

qualified

None

Fine Powder Content

qualified

7                             10

Puimp density

qualified

345±40

345±40

320±40

320±40

355±40

320±40

380±40

335±40

455±40

380±40

Modulus at 300%

superior

-3.5±1.0

-3.4±1.0

-0.4±1.0

-1.8±1.0

-3.9±1.0

-2.3±1.0

-5.5±1.6

-0.4±1.1

0.4±1.0

-3.9±1.0

-0.9±1.0

qualified

-3.5±1.6

-3.4±1.6

-0.4±1.6

-1.8±1.6

-3.9±1.6

-2.3±1.6

-5.5±1.1

-5.5±1.6

0.4±1.6

-3.9±1.6

-0.9±1.6

[Packaging materials]:

1. Flexible container bags or polyethylene (PP) materials. The specifications of packaging are as below: 500kg / bag, 800kg / bag, 1000kg / bag.
2. 25 kg / charter bags, PP material or kraft paper. It can be transported by scatterloading, or by the wooden bracket if 1000kg, or by frame re-coating which is known as the coated transport.
3. Carbon black can also be packed according to the customer requirements and packaging specifications.







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