Sodium Salicylate CAS 54-21-7

The sodium salt of salicylic acid, with the chemical formula C₇H₅NaO₃. It appears as a white to off-white crystalline powder or flakes with a faint, characteristic odor and a sweetish, saline taste. Highly soluble in water and slightly soluble in alcohol. Commonly used as a preservative and antiseptic agent in food, beverages, and personal care products. Also functions as a corrosion inhibitor in certain industrial coolants and lubricants, as well as a masking agent in rubber processing. Stable under normal conditions but may discolor upon prolonged exposure to light or moisture.

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Model:
54-21-7
Brand:
Futurechemical
Code:
54-21-7

Product Description

Sodium salicylate Basic information
Product Name:	Sodium salicylate
CAS:	54-21-7
MF:	C7H5NaO3
MW:	160.1
EINECS:	200-198-0
Mol File:	54-21-7.mol
Sodium salicylate Chemical Properties
Sodium salicylate Chemical Properties
Boiling point	237°
bulk density	320kg/m3
density	0.32 g/cm3 (20℃)
vapor pressure	<1 hPa ( 25 °C)
refractive index	1.435
Fp	98.3°
storage temp.	Store at +15°C to +25°C.
solubility	1000g/l
form	Crystals or Crystalline Powder
color	White
PH	6.5 (100g/l, H2O, 20℃)
Odor	wh. lustrous cryst. scales or amorphous powd., odorless or faint odor, saline taste
Water Solubility	1000 g/L (20 ºC)
Sensitive	Light Sensitive
Merck	148,332
BRN	3732792
Stability:	Stable. Incompatible with mineral acids, metallic salts, iodine. May be light-sensitive.
Major Application	pharmaceutical (small molecule)
Cosmetics Ingredients Functions	DENATURANT
Cosmetics Ingredients Functions	PRESERVATIVE
InChI	1S/C7H6O3.Na/c8-6-4-2-1-3-5(6)7(9)10;/h1-4,8H,(H,9,10);/q;+1/p-1
InChIKey	ABBQHOQBGMUPJH-UHFFFAOYSA-M
SMILES	[Na+].Oc1ccccc1C([O-])=O
LogP	2.061 (est)
CAS DataBase Reference	54-21-7(CAS DataBase Reference)
EPA Substance Registry System	Sodium salicylate (54-21-7)

Item	Spec	Data	Item conclusion
Characters	White crystalline powder shiny flakes	White crystalline powder shiny flakes	Qualified
Identification
A	According with IR reference spectrum	Meets the requirement	Qualified
B	Gives positive reaction	Gives positive reaction	Qualified
C	Impart an intense yellow color	Yellow color	Qualified
Test
Appearance	Not more color than R.S BY6	Solution is clear	Qualified
Acidity	Add 0.01M NaOH≤2.0ml	1.4ml	Qualified
Chloride	The limit test for chlorides(200ppm)	Meet the requirement	Qualified
Heavy metal	Limit test B for heavy metals (20ppm)	not more intense R.S	Qualified
Sulfate	The limit test for sulfate (600ppm)	not more intense R.S	Qualified
Loss on drying	Not more than 0.5 percent	0.3%	Qualified
Assay	Contains C7H5NaO399.0%-101.0%	99.71%	Qualified

Sodium salicylate CAS 54-21-7 Food preservative Feed additive Plant growth regulator Bactericide adjuvant Water treatment agent Rubber vulcanization accelerator Cosmetic additive

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

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