Acid Orange 7

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Names

[ CAS No. ]:
633-96-5

[ Name ]:
Acid Orange 7

[Synonym ]:
orangeyz
Orange 7
Sodium 4-[(2-hydroxy-1-naphthyl)diazenyl]benzenesulfonate
orangeiic
sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonate
4-[(2-hydroxy-1-naphthyl)azo]benzenesulfonic acid,sodium salt
Benzenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
ORANGE 4
ORANGE1
Acid Orange
tropaeolin ooo
orangeya
EINECS 211-199-0
MFCD00021510

Chemical & Physical Properties

[ Melting Point ]:
164°C

[ Molecular Formula ]:
C₁₆H₁₁N₂NaO₄S

[ Molecular Weight ]:
350.324

[ Exact Mass ]:
350.033722

[ PSA ]:
110.53000

[ LogP ]:
4.94570

[ Water Solubility ]:
116 g/L (30 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB7084000

CHEMICAL NAME :: Benzenesulfonic acid, 4-((2-hydroxy-1-naphthalenyl)azo)-, monosodium salt

CAS REGISTRY NUMBER :: 633-96-5

LAST UPDATED :: 199710

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C16-H12-N2-O4-S.Na

MOLECULAR WEIGHT :: 351.35

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 150 gm/kg/43W-C

TOXIC EFFECTS :: Liver - other changes Blood - pigmented or nucleated red blood cells Blood - changes in erythrocyte (RBC) count

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 240 mg/kg/3D-I

TOXIC EFFECTS :: Liver - other changes Biochemical - Metabolism (Intermediary) - lipids including transport

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 gm/kg

SEX/DURATION :: male 43 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - testes, epididymis, sperm duct

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intratesticular

DOSE :: 10 mg/kg

SEX/DURATION :: male 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct

MUTATION DATA

TYPE OF TEST :: Mutation in mammalian somatic cells

TEST SYSTEM :: Human Lymphocyte

DOSE/DURATION :: 12 nmol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 249,265,1991 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1433 No. of Facilities: 4422 (estimated) No. of Industries: 42 No. of Occupations: 44 No. of Employees: 43457 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1433 No. of Facilities: 3061 (estimated) No. of Industries: 22 No. of Occupations: 31 No. of Employees: 38768 (estimated) No. of Female Employees: 14382 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
DB7084000

[ HS Code ]:
3204120000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

2-Naphthol
Sulfanilic acid

DownStream

2-Hydroxy-1,4-naphoquinone
Sulfanilic acid
P-DIAZOBENZENESULFONIC ACID
2, 3-Dihydroxy-1,4-naphthoquinone
1-Amino-2-naphthol
4-phenolsulfonic acid
1,2-NAPHTHOQUINONE
1-Amino-2-naphthol-4-sulfonic Acid
1-amino-2-naphthol hydrochloride
1,2-Naphthalenedione,4-amino-

Customs

[ HS Code ]: 3204120000

Articles

Probing the radical chemistry in UV/persulfate-based saline wastewater treatment: kinetics modeling and byproducts identification.

Chemosphere 109 , 106-12, (2014)

The effect of Cl(-) on the oxidative degradation of Acid Orange 7 (AO7) was investigated in UV/S2O8(2-) system to elucidate the chlorination pathways in saline wastewaters. Lower amount of Cl(-) as we...

Analysis and testing of biological stains--the Biological Stain Commission Procedures.

Biotech. Histochem. 77(5&6) , 237-275, (2002)

Operational factors affecting the bioregeneration of mono-amine modified silica loaded with Acid Orange 7.

Water Res. 46(19) , 6419-29, (2012)

In this study, the operational factors affecting the bioregeneration of AO7-loaded MAMS particles in batch system, namely redox condition, initial acclimated biomass concentration, shaking speed and t...

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2-(6-chloro-1,1-dioxido-4-phenyl-2H-1,2,3-benzothiadiazin-2-yl)-N-cyclohexylacetamide
2-(6-chloro-1,1-dioxido-4-phenyl-2H-benzo[e][1,2,3]thiadiazin-2-yl)-N-cyclopentylacetamide
2-(6-chloro-1,1-dioxido-4-phenyl-2H-1,2,3-benzothiadiazin-2-yl)-N-ethyl-N-(3-methylphenyl)acetamide
2-(benzylthio)-5-(3-nitrophenyl)-1-(p-tolyl)-1H-imidazole
2-(6-chloro-1,1-dioxido-4-phenyl-2H-1,2,3-benzothiadiazin-2-yl)-N-(3-cyanophenyl)acetamide
N-(4-acetamidophenyl)-2-(6-chloro-1,1-dioxido-4-phenyl-2H-benzo[e][1,2,3]thiadiazin-2-yl)acetamide
2-(6-chloro-1,1-dioxido-4-phenyl-2H-1,2,3-benzothiadiazin-2-yl)-N-isopropylacetamide
2-[6-chloro-4-(2-fluorophenyl)-1,1-dioxido-2H-1,2,3-benzothiadiazin-2-yl]-N-phenylacetamide
2-(6-chloro-4-(2-fluorophenyl)-1,1-dioxido-2H-benzo[e][1,2,3]thiadiazin-2-yl)-N-(o-tolyl)acetamide

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