About this material
Sodium Citrate – Buffer Grade (Sodium Citrate) is a Buffer salt supplied by MakeYourSkin as a powder for professional cosmetic formulation. Used worldwide across mainstream cosmetic formulation, it is valued for ph buffering, mild chelation.
What is Sodium Citrate – Buffer Grade?
Sodium Citrate – Buffer Grade is supplied under the INCI / technical name Sodium Citrate and carries CAS number 68-04-2.
It belongs to the Buffer salt group and is derived from fermentation-derived. The material reaches you as a powder. It is an established cosmetic raw material with mature supply and well-understood formulation behaviour.
Key Properties & Benefits
- PH buffering
- Mild chelation
- Supplied cosmetic grade with a Certificate of Analysis for every batch.
Uses & Applications
Sodium Citrate – Buffer Grade is used in every water-containing format where stability, clarity and preservative efficacy matter.
Typical applications from the catalogue record: All formats.
As a formulation essential it is specified by function rather than by claim, and the level is set by the performance the formula needs rather than by a marketing target.
Handling note: Weigh accurately and dissolve or disperse fully before the batch is judged — undissolved powder reads as grit in the finished product.
How to Use — Recommended Use Level
| Typical use level | No single published figure applies to every grade of this material. As a working rule, start water-phase actives at 0.5–2%, oil-phase actives at 1–5%, standardised or potent isolates at 0.05–0.5%, and supplier-diluted solutions at the percentage the technical data sheet specifies. Always confirm the exact level against the supplier TDS, your stability and compatibility testing, and the safety assessment for your finished product. |
|---|---|
| Recommended pH | formulation-dependent |
| Addition phase | As per the supplier technical data sheet |
| Solubility | Water-dispersible rather than truly soluble. Sprinkle into vigorously stirred water or pre-wet in glycerin to avoid lumping. |
No single published use level applies to every grade of this material, so the figure above is a general starting rule rather than a specification.
General rule: always begin at the lower end of the range, confirm the level against the supplier technical data sheet, and validate stability, pH, colour, odour and preservative efficacy on the finished formulation before scaling up.
Technical Specification
| INCI / Technical Name | Sodium Citrate |
|---|---|
| CAS Number | 68-04-2 |
| Ingredient Family | Buffer salt |
| Primary Cosmetic Functions | pH buffering; mild chelation |
| Typical Applications | All formats |
| Source / Feedstock | Fermentation-derived |
| Origin / Tradition | Global |
| Typical Bulk Form | Powder |
| Appearance | White to off-white crystalline or amorphous powder (botanical grades may be coloured) |
| Solubility | Water Dispersible |
| Market Status | Established |
| Catalogue Range | Core Range |
| Storage | Store in the original sealed container in a cool, dry place at 15–25 °C, away from direct sunlight and moisture. Re-seal immediately after weighing; many powders are hygroscopic. |
| Shelf Life | 24–36 months from manufacture in unopened original packaging; see the Certificate of Analysis |
| Vendor | MakeYourSkin |
| MYS Catalogue Code | MYS-N00331 |
Technical Notes
Buffers where a stable pH matters more than a single adjustment.
Regulatory Note
Sold as a cosmetic raw material for professional formulation. A published INCI name does not by itself authorise use: the buyer is responsible for confirming permitted status, maximum concentration, restrictions by product type, labelling and claim rules in every market the finished product is sold in. In India, cosmetics fall under the Drugs and Cosmetics Act 1940 and the Cosmetics Rules 2020 administered by CDSCO, with BIS standards (including IS 4707 Part 2) listing restricted substances. The EU applies Regulation (EC) No 1223/2009 and its Annexes; the United States applies the FD&C Act as amended by MoCRA; Korea, Japan and China operate their own positive lists and functional-cosmetic frameworks. Every finished product needs its own safety assessment.
Reference: Regulatory / scientific reference
Documentation Supplied
- Certificate of Analysis (CoA) for the batch supplied
- Safety Data Sheet (SDS / MSDS) in the current GHS format
- Technical Data Sheet (TDS) with specification, solubility and handling guidance
- INCI declaration and, where assigned, CAS / EINECS numbers
- Non-GMO statement on request
- Vegan / animal-origin declaration on request
- Halal and Kosher certification on request where the supplier holds it
- Heavy-metal and microbiological test data on request
Available Pack Sizes
Supplied in 50 g, 225 g, 1 Kg and 5 Kg packs. Bulk quantities above 5 Kg, and drum or sack quantities, are available on request — contact the MakeYourSkin sales desk for a quotation and lead time.
| 50 g | Pilot batches and small production runs |
|---|---|
| 225 g | Pilot batches and indie production runs |
| 1 Kg | Regular production for small and mid-size brands |
| 5 Kg | Scaled production and contract manufacturing |
Disclaimer & Caution in Use
For external cosmetic use in professionally formulated products only. This is a concentrated raw material, not a finished cosmetic, and it is not intended for undiluted application to skin, for ingestion, or for any medicinal purpose. Wear gloves and eye protection when handling, avoid raising dust with powders, and keep out of reach of children and pets. Always run a patch test on the finished formulation, and validate stability, compatibility, pH and preservative efficacy before sale. Information supplied is offered in good faith as formulation guidance and does not constitute a safety assessment, a regulatory approval or a medical claim.
Fine powder — avoid generating and inhaling dust. Use local exhaust ventilation or a suitable respirator when weighing, and wet the powder into the formulation phase rather than dry-blending in open air.
Specification
| INCI NAME | Sodium Citrate |
|---|---|
| CAS NUMBER | 68-04-2 |
| FAMILY | Buffer salt |
| ORIGIN | Global — Fermentation-derived |
| SUPPLY FORM | Powder |
| SOLUBILITY | Water Dispersible — Water-dispersible rather than truly soluble. Sprinkle into vigorously stirred water or pre-wet in glycerin to avoid lumping. |
| TYPICAL USE LEVEL | No single published figure applies to every grade of this material. As a working rule, start water-phase actives at 0.5–2%, oil-phase actives at 1–5%, standardised or potent isolates at 0.05–0.5%, and supplier-diluted solutions at the percentage the technical data sheet specifies. Always confirm the exact level against the supplier TDS, your stability and compatibility testing, and the safety assessment for your finished product. |
| pH RANGE | formulation-dependent |
| ADD AT | As per the supplier technical data sheet |
| FUNCTIONS | pH buffering; mild chelation |
| USED IN | All formats |
| STORAGE | Store in the original sealed container in a cool, dry place at 15–25 °C, away from direct sunlight and moisture. Re-seal immediately after weighing; many powders are hygroscopic. |
| PACK SIZES | 50 g to 5 Kg |
| REGULATORY | Standard cosmetic review |
How to work with it
The specification's Add at row is the one to read first. Water-phase materials added to a hot oil phase are the most common reason a batch separates.
Measure the finished product, not the premix. Outside the range the activity drops away and, for some materials, the degradation route is what causes complaints.
Then work up through stability and compatibility testing. Higher is not better, and the destination market's limit may sit below your formulation ceiling.