 Home > Cosmetic Ingredient > Hair Conditioning > SODIUM POLYGLUTAMATE for Sale > China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1

China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1 buy - large image1

China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1 buy - image1

China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1 buy - image2

China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1 buy - image3

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China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1

Name: China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1
Brand: Keyang
SKU: pr2610301598
Price: 1 USD
Availability: InStock

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Unit Price: Get Latest Price 

CAS No.:

28829-38-1

Grade:

Cosmetics Grade

Content:

99%

Port:

china

Brand:

Keyang

Packaging:

25KG/Drum

Sample Available:

Yes

Price valid (until):

2026-10-29

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Shandong Keyang Materials Technology Co., Ltd.

Company Type:

Trader

Location:

China

Payment Terms:

TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average Lead Time:

20 days

Qualification:

Main Products:

Chemicals,Glabridin,Phenylethyl Resorcinol,Ascorbyl Tetraisopalmitate,Alpha-Arbutin,Kojic Dipalmitate

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Product Details
Seller Information

Description

Product Description

Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 1

CAS 74638-76-9

CAS NO.: 74638-76-9

Product Name: Diaminopyrimidine Oxide

Synonyms: Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide

Country of Origin: China

Molecular Formula: C₄H₆N₄O

Molecular Weight: 126.12

EINECS No.: 616-121-2

Product Introduction

Diaminopyrimidine Oxide (Aminexil / Kopexil) is a well-known cosmetic active ingredient specially used for anti-hair loss scalp care. It appears as white to off-white crystalline powder, easily soluble in water. It can inhibit lysine hydroxylase activity, prevent perifollicular collagen fibrosis and hardening, stabilize the anchoring of hair follicles in scalp tissue, reduce premature hair shedding and hair thinning. It also helps regulate scalp microenvironment, improve scalp firmness and support healthier hair growth. It has good compatibility with aqueous cosmetic systems and is widely used in professional trichology and dermocosmetic hair care formulas.

Application Fields

Cosmetic raw material: Widely used in anti-hair loss serum, scalp ampoule, hair tonic, anti-hair loss shampoo, conditioner, scalp lotion and hair growth care products.

Personal care raw material: Added into leave-on scalp treatment, salon professional hair care formulations.

Biochemical research raw material: Applied for laboratory formula test and cosmetic efficacy research.

Product Specifications

Purity: 98.0% min / 99.0% min optional

Appearance: White to off-white crystalline powder

Heavy metals: ≤10 ppm

Loss on drying: ≤14.0%

pH (1% aqueous solution): 6.5 ~ 7.5

Shelf life: 24 months under proper storage

Packing: 1kg / 25kg, customized packaging supported

Product Advantages

1. Classic anti-hair loss active, well-recognized by European cosmetic market, popular for professional scalp care lines.

2. Water-soluble, convenient to add into water-phase formulas, compatible with most hair care actives.

3. Targets follicle fibrosis mechanism, works well when compounded with minoxidil, caffeine, saw palmetto extract.

4. Low irritation, stable property during production and shelf storage.

5. Flexible supply: support trial sample, small MOQ and bulk shipment; full set compliance documents available.

Items	Specifications
CAS	74638-76-9
Appearance	white to off-white crystalline powder
Origin	China

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Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 3

Packing & Delivery

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Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 5

Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 6

Packaging Options：

• Aluminum foil bags: For moisture-sensitive powder, sample packing

• Self-sealing bags: Inner packing for lab samples

• Polished aluminum drums: For high-value liquids & essential oils

• HDPE plastic jerrycans: Liquid extracts, leak-proof

• Fiber drums: 25kg standard for plant extract powder (our main packing)

• Steel drums: For special / corrosive materials

• Cartons: Small combined packages

Export Advantages：

1. Moisture-proof, leak-proof inner liner, suitable for long sea & rail transit

2. Pallet loading available, reduce damage during transport

3. Standard export packing for non-hazardous chemicals, support customs clearance

4. Flexible choices, can print customer logo, support customized specs

5. Balanced weight design to save freight cost

Certifications

Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 7

• MSDS / SDS (Safety Data Sheet)

Batch test report, showing content, purity and impurity data of each lot.

Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 8

• COA (Certificate of Analysis)

Batch test report, showing content, purity and impurity data of each lot.

Shop China Professional Manufacturer Aminexil, Kopexil, 2,4-Pyrimidinediamine 3-oxide Diamino Pyrimidine Oxide CAS 28829-38-1-Detailed Image 9

• FDA Compliance

Meets US food-contact requirements for food additives, flavors and plant extracts.

Packaging & Shipping

Packing

· 1kg/aluminium foil bag, with two plastic bags inside.

· 25kg/fiber drum, with two plastic bags inside.

Size:ID 42cm*H52cm,0.08m3/drum;

Net Weight:25kgs Gross Weight:28kgs.

Delivery

≤50kg, Express delivery recommended, usually called as DDU service;

≤500kg,Air shipping recommended, usually called as CIF service;

>500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

For high value products, please select air shipping and express delivery for safety.

After Sales Service

10 Years Experience

Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.

Quality service

Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.

24 hour service

Quick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.

High quality

Dedicated to serving customers first, we provide reasonable prices, high quality products.

Company Profile

Shandong Keyang Materials Technology Co., Ltd.

Shandong Keyang Materials Technology Co., Ltd., based in Weifang, specializes in R&D, production and supply of fine chemicals, with a core focus on cosmetic raw materials.

Guided by integrity, perseverance, innovation and customer-centricity, we enjoy a good global reputation. Our products cover Europe, North & South America, Asia-Pacific and Africa.

We warmly welcome new and returning customers worldwide for cooperation.

Certificates

Basic Info

Product Name:

SODIUM POLYGLUTAMATE

Other Name:

SODIUM POLYGLUTAMATE;SODIUM POLYGLUTAMATE(γ-poly-glutamic acid (γ-PGA));Sodium Polyglutamate (sodium γ-poly-glutamic acid, γ-PGA;Sodium polyglutamate (PGA);Sodium polyglutamate natto gum;Poly[imino[(1S)-1-(2-carboxyethyl)-2-oxo-1,2-ethanediyl] sodium salt (1:1)];Sodium Polyglutamate (sodium γ-poly-glutamic acid;SODIUM POLYGLUTAMATE 90%

CAS No.:

28829-38-1

Molecular Formula:

(C5H7NO3)n.Na

Molecular Weight:

EC Number:

201-127-6

Categories:

Hair Conditioning

Characteristics

Density:

1.092±0.06g/cm3

Melting Point:

160~165ºC

Boiling Point:

166ºC

Critical Temperature & Pressure:

Keep in dark place, Sealed in dry. Room temperature

Seller Information

Business Type:
Trader

Main Products:
Chemicals,Glabridin,Phenylethyl Resorcinol,Ascorbyl Tetraisopalmitate,Alpha-Arbutin,Kojic Dipalmitate

Location:
Room 805, No. 178 Yingchun Street, Laishan District, Yantai City, Shandong Province

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
20 days

Total Annual Revenue:
$10 million-$25 million

Total Employees:
5-10

Year of Establishment:
2026

Shandong Keyang Materials Technology Co., Ltd. is a professional supplier focusing on fine chemicals, cosmetic active ingredients, vitamins and antioxidant raw materials.

We integrate R&D, quality control and supply chain services, with strict quality management system to guarantee batch stability of our products.

Our main products include VC‑IP (Ascorbyl Tetraisopalmitate), various vitamins, antioxidants and specialty fine chemicals, widely applied in skincare formulation, personal care and nutrition fields.

We provide complete test certificates, INCI specification sheets and technical support for formulators. Adhering to the principle of stable quality, reliable delivery and sincere cooperation, we support flexible trade terms such as EXW, FOB, CIF, DAP and DDP, and accept secure payment terms including 100% TT in advance, L/C and TT against copy of documents.

We are looking forward to establishing long‑term stable partnership with global buyers.
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