 Home > Specialty Chemicals > L-Ascorbic acid for Sale > High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent buy - large image1

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent buy - image1

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent buy - image2

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent buy - image3

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent buy - image4

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent

Name: High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent
Brand: Guozhao
SKU: pr2609181088
Price: 14 USD
Availability: InStock

92 Inquiries

Unit Price: Get Latest Price 

CAS No.:

50-81-7

Grade:

Industrial Grade

Content:

99%

Port:

Qingdao

Brand:

Guozhao

Packaging:

25kg/drum

Sample Available:

Yes

Price valid (until):

2026-10-18

Contact Supplier

 Chat Now

Shandong Guozhao Import and Export Co., Ltd.

Company Type:

Distributor

Location:

China

Qualification:

Main Products:

CHEMICALS

 Visit Store

Product Details
Seller Information
Inquiry History

Description

Product Description

L‑Ascorbic Acid, CAS 50‑81‑7, also known as Vitamin C, is a water‑soluble crystalline organic compound, appears as white crystalline powder. This product is for laboratory research and synthetic raw material use only, not for food additive or direct oral consumption. Each batch is strictly tested by HPLC to guarantee high purity ≥99%, stable quality and good batch‑to‑batch consistency. Storage requirement: Store in cool, dry and ventilated place, keep container tightly sealed, avoid high temperature, moisture and direct sunlight. Easily soluble in water, slightly soluble in acetone.

Product Specification

Product name	Vitamin C (Ascorbic acid)
Items	Specifications	Analysis results
Appearance	White powder	White powder
Identification	Positive	Positive
Clarity of solution	Clear	Clear
Assay (%)	99.0~100.5	99.6
Loss on drying (%)	≤0.40	0.04
Residue on ignition (%)	≤0.10	0.04
Sulphate ash (%)	≤0.10	0.04
Specific rotation (°)	+20.5~+21.5	+20.95
PH value (2% solution)	2.4 ~2.8	2.64
PH value (5% solution)	2.1 ~ 2.6	2.32
Melting range (ºC)	About 190	191
Heavy metals (ppm)	≤3	<3
Iron (ppm)	≤2	<2
Copper (ppm)	≤2	<2
Total plate count (cfu/g)	≤1000	<1000
Arsenic (ppm)	≤1	<1
Lead (ppm)	≤2	<2
Cadmium (ppm)	≤1	<1
Mercury (ppm)	≤1	<1

Packaging & Shipping

Company Profile

We are committed to providing customers with cost-effective raw materials. Our factory features a pleasant working environment, complete supporting facilities and sufficient production capacity. The company owns advanced production technology and a team of professional technicians. Our sales volume has maintained steady growth since establishment. We adhere to the business philosophy of "quality guaranteed, competitive price, customer first", which is fully implemented in our daily operations. We strive to offer customers sufficient supply as well as stable and reliable product quality.

Business Philosophy: Integrity-oriented, win-win cooperation Enterprise Spirit: Trust, gratitude, equality and mutual respect Enterprise Mission: Create opportunities for employees, create value for customers, and assume social responsibility Corporate Values: Exceed customer expectations, foster team spirit, enhance employee value, and undertake social responsibility.

FAQ

Q1. How do you ensure product quality?
1. We have a strict quality management system in place. All batches must pass tests and meet our standards before being released into the warehouse.
2. We will recheck and confirm product quality before delivery.
3. If necessary, we can send samples to a third-party testing agency to obtain a testing report.

Q2. How can we place an order?
1. Please inform us of your requirements.
2. We will provide you with suitable product options and quotations based on your needs.
3. We can provide you with a Certificate of Analysis (COA) and relevant test spectra or samples to verify product quality.
4. Once the quality and price details are confirmed, we will issue a Proforma Invoice (PI).
5. Please confirm your order, complete the payment, and send us the payment slip.
6. We will reconfirm the details before shipping and arrange for shipment.

Q3. Do you offer samples?
We can provide samples for most of our products free of charge. Please cover the cost of express shipping.

Q4. What is your lead time for a new order?
For most products in stock, the delivery time is 3-5 business days after payment receipt. For customized products, please discuss further.

Q5. Do you offer custom services?
Yes, we do. We provide custom services for products and packaging, as well as exclusive production.

ECHEMI Editorial Reference

L-Ascorbic acid is an effective reducing agent and donor antioxidant.

Basic Info

Product Name:

L-Ascorbic acid

Other Name:

L-Ascorbic acid;Allercorb;Antiscorbic vitamin;Antiscorbutic vitamin;Ascorbajen;Ascorin;Ascorteal;Ascorvit;Cantan;Cantaxin;Catavin C;Cebicure;Cebione;Cecon;Cegiolan;Ceglion;Celin;Ce-Mi-Lin;Cenetone;Cereon;Cergona;Cescorbat;Cetemican;Cevalin;Cevatine;Cevex;Cevimin;Ce-Vi-Sol;Cevitamic acid;Cevitamin;Cevitan;Cevitex;Ciamin;Cipca;Concemin;Davitamon C;3-keto-L-Gulofuranolactone;L-3-Keto-threo-hexuronic acid lactone;Laroscorbine;Lemascorb;Liqui-Cee;3-Oxo-L-gulofuranolactone;Planavit C;Proscorbin;C-Quin;Ribena;Secorbate;Vicelat;Vicin;Vitacimin;Vitacin;Vitamin C;Vitamisin;Vitascorbol;Redoxon;Vitacee;L-threo-Hex-2-enonic acid,γ-lactone;Ascorbic acid;L-Lyxoascorbic acid;Xyloascorbic acid,L-;Cevital;L-Xyloascorbic acid;C-Vimin;Testascorbic;Adenex;Hybrin;Cetamid;Colascor;Scorbu C;Xitix;Celaskon;Cebion;Cemagyl;Ascorbutina;Viforcit;Vitace;IDO-C;Viscorin;Ascoltin;Hicee;Neo-Valdrin;(+)-Ascorbic acid;Citrovit;Chewcee;L-threo-Ascorbic acid;Ronotec 100;L-(+)-Ascorbic acid;Rontex 100;Juvamine;Rovimix C;Vasc;P 1110;VC 97;Kangbingfeng;Suncoat VC 40;Viscorin 100M;Cewin;Ceklin;Ascorbicap;Cetane;Cetane-Caps TC;Cetebe;E 300;NSC 218455;NSC 33832;Cell C;Ascorell;C-L 6/PW;VC 40;100M;Cinal;Rovimix C-EC;Vitashure 160;Cevarol;Tanvimil C;Vaginorm-C;Monovitan C;Pascorbin;Ascorbalox;Energil C;Bovi-C;Emvit-C;Novasol Cof;5-(1,2-Dihydroxyethyl)-3,4-dihydroxy-5H-furan-2-one;14536-17-5;30208-61-8;50976-75-5;56172-55-5;56533-05-2;57304-74-2;57606-40-3;88845-26-5;89924-69-6;129940-97-2;154170-90-8;259133-78-3;623158-95-2;882690-91-7;884381-69-5;885512-24-3;896436-13-8;1018124-03-2;1129294-89-8;1428525-25-0;1703051-92-6

CAS No.:

50-81-7

Molecular Formula:

C6H8O6

InChIKeys:

InChIKey=CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Molecular Weight:

176.124

Exact Mass:

176.12

EC Number:

200-066-2

HScode:

29362700

Categories:

Characteristics

PSA:

107.22

XLogP3:

-1.4074

Appearance:

White to very light yellow crystalline powder

Density:

1.65 g/cm³

Melting Point:

190-192 °C (decomp)

Boiling Point:

415.8ºC at 760 mmHg

Flash Point:

180.4ºC

Refractive Index:

21 ° (C=10, H2O)

Water Solubility:

H2O: 333 g/L (20 ºC)

Storage Conditions:

Ventilation low temperature drying

Vapor Pressure:

9.28X10-11 mm Hg at 25 deg C (est)

Toxicity:

LD50 oral in rat: 11900mg/kg

Specific rotation:

[α]D/20 between + 20,5° and + 21,5° (10 % w/v aqueous solution)

Explosive limit:

Dust forms explosible mixtures in air with moderate explosion severity.

Odor:

Odorless

Taste:

Pleasant, sharp, acidic taste

PH:

Between 2,4 and 2,8 (2 % aqueous solution)

PKA:

4.7(at 10 °C)

See More L-Ascorbic acid Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Separated from strong oxidants and strong bases.Solutions of ascorbic acid are rapidly oxidized in air and in alkaline media; the drug should be protected from air and light.

See More L-Ascorbic acid Safety Data Sheet 

Seller Information

Business Type:
Distributor

Main Products:
CHEMICALS

Location:
No. 109, Chailu Street, Qingnian Park Subdistrict, Huaian District, Jinan City, Shandong Province 280

Year of Establishment:
2026

Shandong Guozhao Import and Export Co., Ltd., located at No. 280, Chalu Street, Qingnian Park Subdistrict, Huaiyin District, Jinan City, Shandong Province, primarily engages in import and export of goods; sales of chemical products (excluding licensed chemical products); sales of specialty chemical products (excluding hazardous chemicals); sales of plastic products; sales of metal products; sales of building materials; sales of architectural decoration materials; sales of daily-use chemical products; sales of food additives; sales of feed additives; sales of fertilizers; sales of batteries; and general cargo warehousing services (excluding items requiring licensing or approval, such as hazardous chemicals).

Inquiry History

92 Inquiries

Country	Product	Purchase Quantity	Date Posted
Oman	L-Ascorbic Acid	1 KG	Oct 28, 2026
India	Ascorbic Acid	25.00 KG	Oct 27, 2026
Bangladesh	Ascorbic Acid	1000 KG	Oct 15, 2026
Indonesia	vitamin c	1 MT	Sep 30, 2026
Bangladesh	Ascorbic Acid	25 KG	Sep 14, 2026
Uzbekistan	Ascorbic Acid (Vitamin C)	4000 KG	Sep 10, 2026
Russia	Inositol (B8)	20 MT	Sep 1, 2026
Canada	Ascorbic acid	50000 MT	Aug 26, 2026
Nigeria	Ascorbic Acid	1.00 MT	Aug 24, 2026
Ecuador	Ascorbic acid	1 20' Fcl	Aug 13, 2026
Ecuador	Ascorbic acid	1 20' Fcl	Aug 12, 2026
Egypt	Ascorbic Acid	20.00 MT	Aug 5, 2026
Brazil	Crystalline Ascorbic Acid	36 MT	Jul 15, 2026
Brazil	Crystalline Ascorbic Acid	36 MT	Jul 15, 2026
India	Ascorbic Acid	1 KG	Jul 14, 2026
Pakistan	Ascorbic Acid	24.00 MT	Jul 10, 2026
Ecuador	ASCORBIC ACID	20 MT	Jul 7, 2026
Australia	Vit C	1 KG	Jul 6, 2026
Ecuador	ASCORBIC ACID	10 MT	Jul 2, 2026
Sri Lanka	Ascorbic Acid BP 2024 / BP 2025	1500 KG	Jun 13, 2026

Go to Page

Post an enquiry for this product

More Choices Find All Products for Sale 

Product Name	Grade / Content	Price	Supplier Name	Details
Boosted Antioxidant Food Grade Bp USP Ascorbic Acid Vitamin C Powder Supplement	Food Grade/99	$2.2/KG FOB	Tianjin Luis Biotechnology Co., Ltd.	Inquiry
50-81-7 L-ascorbic acid	Industrial Grade/99.5	$1.2/KG FOB	Xiamen Eagle Chemical Corporation	Inquiry
Food Grade Ascorbic Acid Powder 99% CAS50-81-7 Vitamin C CAS50-81-7	Food Grade/99	$1.04-1.24/KG FOB	Tianjin DF Import & Export Co., LTD	Inquiry
VC Crystal Crystalline Powder Food Feed Grade Price C6H8O6 50-81-7 Ascorbic Acid	Food Grade/99	$7-9.1/MT FOB	Mudanjiang Fengda Chemicals Imp.& Exp. Corp.	Inquiry
High Quality Food Grade Pure Ascorbic Acid CAS 50-81-7 Vitamin C Powder Ascorbic Acid Powder	/	$1.49-1.68/KG FOB	G M BOTANICALS ASIA PTE. LTD.	Inquiry

L-Ascorbic acid Market Price

Hot Related Products



Feedback & Suggestions

Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.

High Purity L-Ascorbic Acid CAS 50-81-7 White Crystalline Powder Lab Research Reagent

Product Details

Seller Information