Dispersant NNO
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Dispersant NNO
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CAS No:
9084-06-4
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Formula:
(C10H8O3S.CH2O)x.xNa
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Chemical Name:
Dispersant NNO
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Synonyms:
Naphthalenesulfonic acid,polymer with formaldehyde,sodium salt;Naphthalenesulfonic acid-formaldehyde condensate sodium salt;Formaldehyde-naphthalenesulfonic acid condensate sodium salt;Formaldehyde-naphthalenesulfonic acid polymer sodium salt;Naphthalenesulfonic acid-formaldehyde polymer sodium salt;Tamol L;Daxad 15;Dispersant NF;Leukanol NF;Dispergator NF;Dispersing agent NF;Formaldehyde-naphthalenesulfonic acid copolymer sodium salt;Tamol SN;Surfactant NF;Disperser NF;Daxad No. 11;Daxad 11;Darvan 1;Dispersol ACA;Lomar D;Lomar PW;Darvan No. 1;NF (dispersant);Lissatan AC;Daxad 18;Lomar LS;Na-CemMix;Naphthalenesulfonic acid-formaldehyde copolymer sodium salt;Pozzolith 400N;NF;QR 819;Barra Super;Humifen NBL 85;Atlox 4862;Flube;Bevaloid 35;NF-A;S 3 (plasticizer);S 3;Galfo 3440;Galoryl LH 160;Vultamol NHSA;Kflow S 110P;Rhodacal N;Kflow S 110;Levelon P;Roma PW 40;SNF (plasticizer);SNF;Orbis;Ionet D 2;Setamol WS;Galoryl DT 23;Dispergator NNO;Dyspergator NNO;Tamol NH 7519;Tamol NN 4501;CFR 2L;C 3;Superplasticizer C 3;Tamol NN 2406;Dehscofix 920;NNO;Vultamol NN 8906;Selflow 120P;Lavelin FP;Tamol NN 771-8;Dispersant NNO;MT 150R;Dispersant NNO 1;Darvan 1SD;Darvan 1 spray dried;Dehscofix 158;Tamol NN 8906;Dispersant WS;Setamol Disperse WS;FN 2;Emery 5351;Agnique NSC 11NP;Dispersant 8906;NAXAF-HSP;Surfactant NNO;NN 8906;Mighty 150S;Naphthalene sulfonic acid-formalin copolymer sodium salt;11116-58-8;37380-59-9;39355-05-0;39392-95-5;39434-50-9;51161-47-8;51329-79-4;51434-09-4;56730-68-8;59977-76-3;87435-68-5;100328-62-9;100357-16-2;144377-98-0;172826-70-9;176634-22-3;1192028-40-2;1328883-00-6;1817608-94-8;2163097-48-9
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CAS No:
Description
Dispersant NNO, also known as Sodium Naphthalene Sulfonate Formaldehyde Condensate, is an anionic surfactant that appears as a yellow-brown to brown powder with high solubility in water and strong resistance to acids, alkalis, hard water, and inorganic salts. It is characterized by excellent dispersing power, typically ≥95%, and exhibits a pH range of 7.0 to 9.0 in a 1% aqueous solution. The compound is non-foaming, non-permeable, and demonstrates good stability under various environmental conditions. Dispersant NNO is known for its strong affinity to protein fibers and polyamide, while showing little or no affinity to cotton and other cellulose-based fibers.
Characteristics
131.16000
5.55360
DryPowder
Oral-rat LD50: 3800 mg/kg; Oral-Mouse LD50: 3400 mg/kg
Thermal decomposition releases toxic sulfur oxide and nitrogen oxide gas
Safety Information
36/38
26-36
Xi;N,N,Xi
Warehouse ventilated, low temperature and dry
|Danger|H315 (82.47%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P273, P280, P302+P352, P305+P351+P338, P310, P321, P332+P313, P337+P313, P362, and P501|Aggregated GHS information provided by 638 companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H412 (100%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]|P273, and P501|The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Dispersant NNO Use and Manufacturing
The preparation process includes three steps: methyl naphthalene sulfonation, condensation of sulfonated product with formaldehyde, and neutralization. Put 500 kg of methyl naphthalene into the sulfonation kettle, heat to melt, start stirring, and raise the temperature to 130-140°C for reaction 2. Then add 210L of water under rapid stirring, and after stirring for another half an hour, take samples to measure the acidity. If the total acidity is 25%-27%, it is qualified. Cool to 90-100°C. Add 300kg of 37% formaldehyde solution at once. The temperature is increased naturally, and the reaction temperature is controlled at 130-140°C and the pressure is 0.15-0.20MPa. React for 2h to allow it to fully condense. After the condensation is completed, 30% lye is added for neutralization until the pH is about 7. Finally, the crystal is cooled, filtered, and dried to obtain the finished product.
This product is a diluent, used for the control of decay in the paper industry, reducing both sides, improving the retention of fillers or fine fibers, improving sizing, and reducing the viscosity of the coating. Used as an efficient dispersant for water-based paints and pigment pastes. It is used as dispersant for color paste in latex paints of acrylic series, aldehyde-propylene series and chlorine partial series. It can also be used as adhesives, polymer fillers and sealing layers to improve w
100,000 - 500,000 lb
Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt: ACTIVE|XU - indicates a substance exempt from reporting under the Chemical Data Reporting Rule, (40 CFR 711).
Cosmetics -> Emulsion stabilizing; Hydrotrope; Surfactant
Computed Properties
Molecular Weight:428.5
XLogP3:3.8
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:4
Exact Mass:428.03883057
Monoisotopic Mass:428.03883057
Topological Polar Surface Area:126
Heavy Atom Count:29
Complexity:715
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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