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Name
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EINECS
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N/A
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CAS No.
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6300-37-4
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Density
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1.18g/cm3
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PSA
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69.67000
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LogP
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6.53140
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Solubility
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N/A
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Melting Point
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146-148 °C (dec.)(lit.)
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Formula
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C19H16 N4 O
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Boiling Point
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485.769ºC at 760 mmHg
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Molecular Weight
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316.362
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Flash Point
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247.584ºC
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Transport Information
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N/A
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Appearance
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N/A
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Safety
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Moderately toxic by an unspecified route. When heated to decomposition it emits toxic vapors of NOx.
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Risk Codes
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36/37/38
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Molecular Structure
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![Molecular Structure of 6300-37-4 (4-[4-(PHENYLAZO)PHENYLAZO]-O-CRESOL)](//file1.lookchem.com/cas/reactions/2021/09/26/925990.png_ms)
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Hazard Symbols
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Xi
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Synonyms
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C.I.Disperse Yellow 7 (7CI,8CI); Phenol, 2-methyl-4-[[4-(phenylazo)phenyl]azo]-(9CI); Acetate Fast Yellow 5RL; Azofenol 4K; C.I. 26090; Celliton DischargeYellow 5RL; Celliton Fast Yellow 5R; Celliton Yellow 5R; Cilla Fast Yellow 5R;Dianix Fast Yellow 5R; Dianix Yellow 5R-E; Disperse Fast Yellow 4K; DisperseYellow 7; Kayalon Fast Yellow 4R; Kayalon Polyester Yellow 4R-E; KayalonPolyester Yellow RF; Miketon Polyester Yellow 5R; NSC 45573; Palanil Yellow 5R;Palanil Yellow 5RX; Resolin Yellow 5R; Samaron Yellow 5RL; Serisol Fast YellowN 5RD; Supracet Fast Yellow 4R; Tersetile Yellow 5R; Tersetile Yellow 5RL;Tulasteron Fast Yellow 5R-B; Vonteryl Yellow 3R; Yohao Disperse Yellow 4RE
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C.I. Disperse Yellow 7 Synthetic route
C.I. Disperse Yellow 7 Chemical Properties
Chemistry informtion about C.I. Disperse Yellow 7 (CAS NO.6300-37-4) is:
IUPAC Name: (4E)-2-methyl-4-[(4-phenyldiazenylphenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one
Synonyms: CI 26090 ; Disperse Yellow 7 ; 4-[4-(Phenylazo)Phenylazo]-O-Cresol ; 2-Methyl-4-((4-(Phenylazo)Phenyl)Azo)-Pheno ; 2-Methyl-4-[[4-(Phenylazo)Phenyl]Azo]-Pheno ; 2-Methyl-4-[[4-(Phenylazo)Phenyl]Azo]-Phenol ; 4-[(4-Phenylazo)Phenylazo]-2-Methylphenol ; Acetatefastyellow5rl
Product Categories: Organics
MF: C19H16N4O
MW: 316.36
EINECS: 228-587-0
Density: 1.17 g/cm3
Melting Point: 146-148 °C (dec.)(lit.)
Flash Point: 357.9 °C
Boiling Point: 532 °C at 760 mmHg
Vapour Pressure: 6.18E-12 mmHg at 25°C
Enthalpy of Vaporization: 83.8 kJ/mol
Following is the molecular structure of C.I. Disperse Yellow 7 (CAS NO.6300-37-4) is:
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C.I. Disperse Yellow 7 Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
| mouse | LD50 | unreported | 1864mg/kg (1864mg/kg) | | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 48(7), Pg. 6, 1983. |
| rabbit | LD50 | unreported | > 10gm/kg (10000mg/kg) | | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 48(7), Pg. 6, 1983. |
| rat | LD50 | unreported | 2870mg/kg (2870mg/kg) | | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 48(7), Pg. 6, 1983. |
C.I. Disperse Yellow 7 Consensus Reports
Reported in EPA TSCA Inventory.
C.I. Disperse Yellow 7 Safety Profile
Safty information about C.I. Disperse Yellow 7 (CAS NO.6300-37-4) is:
Moderately toxic by an unspecified route. When heated to decomposition it emits toxic vapors of NOx.
Hazard Codes:
Xi
Risk Statements:
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: SM1140030
C.I. Disperse Yellow 7 Specification
To protect yourself, you can put on dust mask type N95 (US), eyeshields, gloves.
