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| CAS No.: | 615-67-8 |
|---|---|
| Name: | Chlorohydroquinone |
| Article Data: | 70 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H5ClO2 |
| Molecular Weight: | 144.558 |
| Synonyms: | Hydroquinone,chloro- (6CI,7CI,8CI);1,4-Dihydroxy-2-chlorobenzene;1-Chloro-2,5-dihydroxybenzene;2-Chloro-1,4-benzenediol;2-Chloro-1,4-dihydroxybenzene;2-Chloro-1,4-hydroquinone;2-Chlorohydroquinone;Chloro-p-hydroquinone;Monochlorohydroquinone;NSC 427;NSC 5934; |
| EINECS: | 210-442-8 |
| Density: | 1.471 g/cm3 |
| Melting Point: | 100-104 °C(lit.) |
| Boiling Point: | 263 °C at 760 mmHg |
| Flash Point: | 119.7 °C |
| Solubility: | Soluble in water |
| Appearance: | light brown to grey fine crystalline powder |
| Hazard Symbols: |
 Xn, Xi
|
| Risk Codes: | 21-36/37/38-43 |
| Safety: | 36/37-37/39-26 |
| Transport Information: | UN 2811 |
| PSA: | 40.46000 |
| LogP: | 1.75120 |
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Chemistry
Name of Substance: Chlorohydroquinone
CAS Registry Number: 615-67-8
Synonyms: 1,4-Benzenediol, 2-chloro- ; 1,4-Dihydroxy-2-chlorobenzene ; 2,5-Dihydroxychlorobenzene ; 2-Chloro-1,4-benzenediol ; 2-Chloro-1,4-dihydroxybenzene ; 2-Chlorohydroquinone ; 4-06-00-05767 (Beilstein Handbook Reference) ; AI3-08933 ; BRN 0636835 ; Chlorohydroquinone ; Chloroquinol ; EINECS 210-442-8 ; HSDB 2766 ; Hydroquinone, chloro- ; Monochlorohydroquinone ; NSC 427 ; NSC 5934 ; Hydroquinone, chloro-
IUPAC Name: 2-chlorobenzene-1,4-diol
Molecular Weight: 144.5557 [g/mol]
Molecular Formula: C6H5ClO2
XLogP3: 1.4
H-Bond Donor: 2
H-Bond Acceptor: 2
Surface Tension: 59.7 dyne/cm
Density: 1.471 g/cm3
Flash Point: 119.7 °C
Enthalpy of Vaporization: 52.1 kJ/mol
Boiling Point: 263 °C at 760 mmHg
Vapour Pressure: 0.00647 mmHg at 25°C
Following is the molecular structure of Chlorohydroquinone (CAS NO.615-67-8) is:
Uses
Chlorohydroquinone (CAS NO.615-67-8) can be used to make photographic developer, organic intermediate, in dyestuffs and bactericide.
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LD50 | skin | 500mg/kg (500mg/kg) | Kodak Company Reports. Vol. 21MAY1971, | |
| rat | LDLo | intraperitoneal | 100mg/kg (100mg/kg) | Kodak Company Reports. Vol. 21MAY1971, | |
| rat | LDLo | oral | 200mg/kg (200mg/kg) | Kodak Company Reports. Vol. 21MAY1971, | |
| rat | LDLo | skin | 500mg/kg (500mg/kg) | Kodak Company Reports. Vol. 21MAY1971, |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Safty information about Chlorohydroquinone (CAS NO.615-67-8) is:
Poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of Cl−.
Hazard Codes:
Xn,Xi
Risk Statements:
R21:Harmful in contact with skin.
R36/37/38:Irritating to eyes, respiratory system and skin.
R43:May cause sensitization by skin contact.
Safety Statements:
S36/37:Wear suitable protective clothing and gloves.
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: UN2811
WGK Germany: 3
RTECS: MX4800000
HazardClass: 6.1
PackingGroup: III
Specification
Chlorohydroquinone (CAS NO.615-67-8) is a white to light-tan fine crystals.