Name: Dodecylbenzenesulfonic Acid Sodium Salt
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Dodecylbenzenesulfonic Acid Sodium Salt

CAS No.: 25155-30-0
Molecular Formula: C18H29NaO3S
Molecular Weight: 348.48

+86 18765828098

+86 18765828098

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Product Introduction

Dodecylbenzenesulfonic Acid Sodium Salt is a white to light yellow powder or granule. Industrial-grade products may be light brown due to trace impurities, have no obvious pungent smell, and are prone to moisture absorption (slight lumps may form after moisture absorption, but it does not affect dissolution and activity).

CHEMICAL PROPERTIES

Property	Value
Melting point	>300 °C
Boiling point	660.62 °C [at 101 325 Pa]
Density	1.02 g/cm³
Vapor pressure	0 Pa at 25 °C
Refractive index	1.359
Storage condition	2-30 °C
Solubility	Water: soluble 0.8 g/L at °C (value appears incomplete; likely at 20-25 °C)
Acidity coefficient (pKa)	0.7 [at 20 °C]
Form	Powder
Color	Light yellow
Odor	Slight, characteristic odor
Water solubility	800 mg/L at 25 °C
Merck	148,612
BRN	4171051
Henry's Law Constant	1.6×102 mol/(m3Pa)1.6×102mol/(m3Pa) at 25 °C, HSDB (2015)
Stability	Stable
Cosmetic ingredient function	CLEANSING SURFACTANT - CLEANSING
InChI	1S/C18H30O3S.Na/ c1-2-3-4-5-6-7-8-9-10- 11-12-17-13-15-18 (16-14-17) 22(19,20)21; /h13-16H, 2-12H2,1H3, (H,19,20,21); /q;+1/p-1
InChIKey	JHJUUEHSAZXEEO-UHFFFAOYSA-M
SMILES	[Na+]CCCCCCCCCCCc1ccc(cc1)S([O-]) (=O) =O
LogP	1.96 at 25 °C
CAS database reference	25155-30-0 (CAS DataBase Reference)
EPA chemical substance information	Sodium dodecylbenzenesulfonate (25155-30-0)

SAFETY INFORMATION

Property	Value
Hazard Codes	Xn
Risk Statements	22-37/38-41
Safety Statements	26-27-36/37/39
WGK Germany	2
RTECS	DB6825000
HS Code	2904.10.3700

PRODUCT USAGE

Sodium dodecylbenzenesulfonate is one of the most widely used anionic surfactants. In the detergent industry, it is the core detergency component in household laundry powders, dishwashing liquids, and industrial cleaners, offering excellent detergency, emulsifying, and foaming properties. In the textile and dyeing industry, it is used as a penetrating agent and leveling agent to help dyes penetrate evenly. In pesticide formulations, it acts as an emulsifier and dispersant to improve suspension stability. Additionally, it is used in electroplating, leather processing, and emulsification viscosity reduction in oil extraction. Its advantages include hard water resistance, good biodegradability, and high cost-effectiveness, though mild skin irritation should be noted.

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Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.