Methylparaben CAS 99-76-3

Product name: Methylparaben

CAS：99-76-3

MF： C8H8O3

MW： 152.15

EINECS:202-785-7

Product Description

Product name: Methylparaben

CAS：99-76-3

MF： C8H8O3

MW： 152.15

EINECS:202-785-7

Use:

1. Mainly used as a bactericidal and preservative in organic synthesis, food, cosmetics, and medicine

2. Also used as a feed preservative

3. It is often used in combination with other preservatives in cosmetics.

Specifications :

Chemical Name	Propyl P-Hydroxybenzoate
Product Name	Propyl Paraben
Production Date	2022/10/16	Expiry Date:	2027/10/16
Batch No.	20221016	Edition	USP 41/ NF 35/BP 2018
Quantity	3000kg	Analysis Date	2022/10/17
Item	Specification		Test Results
Appearance	White Fine Powder		White Fine Powder
Assesment	HPLC		Conform
Assay %	98-102		99.39
Organic impurities %	p-Hydroxybenzoic acid Unspecified impurities Total impurities		NMT 0.5 NMT 0.5 NMT 1.0
Melting Point ℃	96-99		97.8
Residue %	≤0.1		0.03
Acid	Passed		Passed
Appearance of solution	Passed		Passed
Residual Solvents	3000 ppm Methanol maximum		Passed
Heavy Metal (Pb)	≤10ppm		<10ppm
Loss on drying %	≤0.50		0.27

公司信息

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.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.