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EINECS 242-777-0
CAS No. 19044-88-3 Density 1.407 g/cm3
PSA 163.42000 LogP 4.60430
Solubility 85mg/L(25 oC) Melting Point 141 °C
Formula C12H18N4O6S Boiling Point 513.966 °C at 760 mmHg
Molecular Weight 346.364 Flash Point 264.637 °C
Transport Information UN 3077 Appearance Yellow-orange crystals.
Safety 60 Risk Codes 51/53
Molecular Structure Molecular Structure of 19044-88-3 (Oryzalin) Hazard Symbols DangerousN

Sulfanilamide,3,5-dinitro-N4,N4-dipropyl- (8CI);3,5-Dinitro-N4,N4-dipropylsulfanilamide;4-(Dipropylamino)-3,5-dinitrobenzenesulfonamide;Dirimal;EL 119;N4,N4-Dipropyl-3,5-dinitrosulfanilamide;NSC 648479;Oryzalin 4 Pro;Rizelan;Ryzelan;Surflan;

Article Data 15

ORYZALIN Chemical Properties

MF: C12H18N4O6S
MW: 346.36
EINECS: 242-777-0
Density: 1.407 g/cm3
Melting point: 141 ºC
Storage temp: 0-6°C  
Flash Point: 264.6 °C
Index of Refraction: 1.588
Appearance: Yellow-orange crystals
IUPAC Name: 2-Butan-2-ylphenol
Boiling Point: 514 °C at 760 mmHg   
Enthalpy of Vaporization: 78.55 kJ/mol 
Vapour Pressure: 1.13E-10 mmHg at 25°C
Stability: Stable under normal storage conditions. Decomposed by UV irradiation. The shelf life of these formulations is more than 2 years.
Synonyms: 4-(Dipropylamino)-3,5-dinitrobenzenesulfonamide ; 3,5-Dinitro-4-(Dipropylamino)benzene sulfonamide ; 3,5-Dinitro-n4,n4-dipropyl sulfanilamide ; 3,5-Dinitro-N',N'-dipropylsulfanilamide ; 3,5-Dinitro-N(sup4),N(sup4)-dipropyl-sulfanilamid ; 3,5-Dinitro-N(sup4),N(sup4)-dipropylsulfanilamide ; 3,5-Dintro-N4,N4-dipropylsulfanilamide 
Following is the molecular structure of Oryzalin (19044-88-3):


 Oryzalin (19044-88-3) is used as an herbicide.

ORYZALIN Production

 Reactivity Profile: Oryzalin (19044-88-3) is a dinitroaniline derivative.

ORYZALIN Toxicity Data With Reference


mmo-sat 300 µg/plate

    KHFKDF    Ko Hsueh Fa Chan Yueh Kan. Progress in Sciences. 8 (1980),551.

orl-rat LD50:10 g/kg

    85AREA    Agricultural Chemicals. 2 (1977),44.

orl-cat LD50:1 g/kg

    PEMNDP    Pesticide Manual. 9 (1991),632.

skn-rbt LD50:>2 g/kg

    PEMNDP    Pesticide Manual. 9 (1991),632.

ORYZALIN Safety Profile

Low toxicity by ingestion and skin contact. Mutation data reported. When heated to decomposition emits toxic fumes of NOx, SOx.
Safety Information of Oryzalin (19044-88-3):
Hazard Codes: N
N: Dangerous for the environment 
Risk Statements: 51/53
51/53: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements: 60
60: This material and/or its container must be disposed of as hazardous waste 
RTECS: WO9350000

ORYZALIN Specification

 Handling and Storage of Oryzalin (19044-88-3):
1.Storage: Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
2.Handling: All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

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